March 4, 2024
Quick Answer: Venus is called Earth’s twin due to its similar size, mass, structure, and composition, including a central core, molten mantle, and solid crust. Key Takeaways: Venus is often referred to as Earth’s twin because they are similar in size, mass, and internal structure, with Venus having a diameter and mass about 95% and …
March 4, 2024
Quick Answer: Venus is the hottest planet due to its thick carbon dioxide atmosphere, which creates an extreme greenhouse effect, trapping solar heat efficiently. Key Takeaways: Venus’s extreme heat is primarily due to its thick atmosphere composed of carbon dioxide, which traps heat through a runaway greenhouse effect, far more intense than Earth’s, leading to …
March 4, 2024
Quick Answer: Yes, Venus can be seen without a telescope as one of the brightest objects in the sky, especially during dawn or dusk. Key Takeaways: Venus is visible to the naked eye as one of the brightest objects in the sky, especially during its Morning Star or Evening Star phases at dawn or dusk, …
March 4, 2024
Quick Answer: Venus is Earth’s “twin,” with extreme greenhouse effects, retrograde rotation, days longer than its year, and surface temperatures hot enough to melt lead. Key Takeaways: Venus is Earth’s “twin planet” with a similar size and mass, but it has a hostile environment with extreme greenhouse effects causing surface temperatures hot enough to melt …
March 4, 2024
Quick Answer: One day on Venus lasts about 243 Earth days due to its slow retrograde rotation. Key Takeaways: A day on Venus lasts about 243 Earth days due to its slow rotation, which is longer than a Venusian year, which takes about 225 Earth days. Venus spins in the opposite direction of most planets, …
March 4, 2024
Quick Answer: Venus rotates in the opposite direction due to a massive impact or gravitational interactions that altered its spin over billions of years. Key Takeaways: Venus rotates in the opposite direction to most planets in the Solar System, a phenomenon known as retrograde rotation, which results in the Sun rising in the west and …
March 4, 2024
Quick Answer: The Venera missions revealed Venus’s harsh atmosphere, high pressure, extreme temperatures, and evidence of volcanic activity, reshaping our understanding of the planet. Key Takeaways: The Venera missions revealed Venus’s atmosphere to be predominantly carbon dioxide with sulfuric acid clouds, and surface pressures and temperatures that are extremely high, challenging earlier assumptions of Venus …
March 4, 2024
Quick Answer: Venus does not have any moons, as confirmed by extensive astronomical research and data from space missions like Magellan. Key Takeaways: Venus is currently known to be a moonless planet, a conclusion supported by extensive astronomical research and data from missions like NASA’s Magellan spacecraft, which found no evidence of natural satellites. The …
March 4, 2024
Quick Answer: The biggest challenges of exploring Venus include extreme heat, crushing atmospheric pressure, corrosive sulfuric acid clouds, and navigating its active volcanic landscape. Key Takeaways: Venus’s extreme environment, with surface temperatures high enough to melt lead and atmospheric pressure 92 times that of Earth, presents significant challenges for spacecraft design and material durability. The …
March 4, 2024
Quick Answer: Recent missions and studies suggest Venus may have active volcanism, indicated by surface changes, sulfur dioxide spikes, and potential lava flows. Key Takeaways: Venus may have active volcanoes, suggested by signs like thermal hotspots, sulfur dioxide spikes, and changing surface features, which could indicate ongoing geological activity and potential habitats for life. Spacecraft …
March 1, 2024
Quick Answer: The Caloris Basin is a massive impact crater on Mercury, crucial for understanding planetary geology and Mercury’s history. Key Takeaways: The Caloris Basin is a massive impact crater on Mercury, about 1,550 kilometers in diameter, which provides scientists with a window into the planet’s geological history and the early Solar System’s violent events. …
March 1, 2024
Quick Answer: Mercury is larger and denser than the Moon, with more mass and gravity, and experiences more extreme temperature fluctuations due to its thin exosphere and proximity to the Sun. Key Takeaways: Mercury is larger than Earth’s Moon with a diameter of 3,032 miles compared to the Moon’s 2,159 miles, and it has a …
March 1, 2024
Quick Answer: Scientists study Mercury using telescopes with optical, infrared, and ultraviolet capabilities, and by analyzing data from space missions and radar astronomy. Key Takeaways: Scientists study Mercury’s extreme temperature fluctuations and elliptical orbit to gain insights into planetary formation and behavior, utilizing telescopes and space missions to observe its surface and geological history. Technological …
March 1, 2024
Quick Answer: Mercury’s magnetic field is unique due to its weak strength, asymmetry, dynamic nature, and the planet’s large iron core and slow, unusual rotation. Key Takeaways: Mercury’s magnetic field is about 1% the strength of Earth’s and is uniquely tilted, indicating complex interactions with solar wind and providing insights into the planet’s internal structure …
March 1, 2024
Quick Answer: Mercury’s eccentric orbit and slow rotation cause extreme temperature fluctuations, with scorching days and freezing nights, affecting its geology and potential for ice at the poles. Key Takeaways: Mercury’s highly eccentric orbit brings it extremely close to the Sun at perihelion, causing surface temperatures to soar up to 800 degrees Fahrenheit, while at …
March 1, 2024
Quick Answer: ESA and JAXA’s BepiColombo mission is en route to Mercury, with arrival expected in 2025. NASA is considering future missions to investigate Mercury’s exosphere and ice deposits. Key Takeaways: BepiColombo, a collaboration between ESA and JAXA, is en route to Mercury with a 2025 arrival goal, aiming to study the planet’s magnetic field, …
March 1, 2024
Quick Answer: Mercury’s extreme temperatures, lack of atmosphere, and intense solar radiation make it an unlikely habitat for life as we know it. Key Takeaways: Mercury’s extreme temperatures and lack of a substantial atmosphere make its surface one of the least hospitable places for life in the solar system, with surface conditions fluctuating between scorching …
March 1, 2024
Quick Answer: Mercury’s high density is due to its large iron-rich core, which makes up about 60% of its volume, likely resulting from a massive impact early in its history. Key Takeaways: Mercury’s high density is primarily due to its large iron-rich core, which makes up about 60% of its volume, suggesting a past event, …
March 1, 2024
Quick Answer: Mercury’s major surface features include craters, smooth and inter-crater plains, scarps, cliffs, ridges, valleys, and evidence of past volcanic activity and tectonism. Key Takeaways: Mercury’s surface is heavily cratered due to a history of impacts from comets and asteroids, with the Caloris Basin being a prominent feature, indicative of the planet’s violent past. …
March 1, 2024
Quick Answer: Our understanding of Mercury has evolved from ancient deity associations to detailed knowledge of its magnetic field, geology, and ice presence, thanks to advancing observation technology and space missions. Key Takeaways: Ancient civilizations like the Babylonians, Greeks, and Romans were the first to observe Mercury, attributing religious significance to it and recognizing its …
March 1, 2024
Quick Answer: Yes, there is water on Mercury, primarily as ice in permanently shadowed craters near its poles, despite extreme surface temperatures. Key Takeaways: Despite Mercury’s extreme temperatures, water ice exists in its permanently shadowed polar craters, where conditions allow it to remain stable and avoid sublimation. NASA’s MESSENGER mission and Earth-based radar observations have …
March 1, 2024
Quick Answer: Sending spacecraft to Mercury faces extreme temperatures, weak atmosphere, intense solar radiation, high velocity, and challenging orbital dynamics for landing and communication. Key Takeaways: Mercury’s extreme temperature fluctuations and weak atmosphere require spacecraft to have advanced thermal control systems and robust shielding to protect against micrometeoroid impacts and intense solar radiation. Navigating to …
March 1, 2024
Quick Answer: Mercury has zero moons due to its proximity to the Sun and small gravitational influence, which prevent it from capturing or retaining natural satellites. Key Takeaways: Mercury has zero moons, a fact attributed to its close proximity to the Sun, which exerts a strong gravitational pull, making it difficult for the planet to …
March 1, 2024
Quick Answer: MESSENGER discovered Mercury’s water ice in shadowed craters, a dynamic magnetic field, geological activity, a thin atmosphere, and a large iron core. Key Takeaways: MESSENGER revealed that Mercury harbors water ice in its permanently shadowed polar craters, defying previous assumptions about the planet’s extreme proximity to the Sun and expanding our understanding of …
March 1, 2024
Quick Answer: Mercury isn’t the hottest planet because it lacks a thick atmosphere to trap heat, unlike Venus, which has a dense, heat-retaining atmosphere. Key Takeaways: Mercury’s lack of a substantial atmosphere prevents it from retaining heat, leading to extreme temperature swings from about 800°F in daylight to -290°F at night, unlike Venus, which has …
March 1, 2024
Quick Answer: A day on Mercury lasts about 176 Earth days due to its slow rotation and unique 3:2 spin-orbit resonance. Key Takeaways: A day on Mercury lasts significantly longer than a day on Earth, with one Mercury solar day taking approximately 176 Earth days due to its slow rotation and unique 3:2 spin-orbit resonance, …
March 1, 2024
Quick Answer: Mercury has extreme temperature swings, a massive iron core, and ice in shadowed craters, despite being closest to the Sun. It’s the smallest planet with a very thin atmosphere. Key Takeaways: Mercury completes an orbit around the Sun in just 88 Earth days, making it the planet with the shortest year in our …
March 1, 2024
Quick Answer: Yes, you can see Mercury from Earth with the naked eye during dawn or dusk when it’s at its greatest elongation. Key Takeaways: Mercury can be seen with the naked eye during its greatest elongation from the Sun, typically around dawn or dusk, when the planet is farthest from the Sun’s glare and …
March 1, 2024
Quick Answer: Mercury has extreme temperatures due to its close proximity to the Sun, slow rotation, highly eccentric orbit, and lack of a significant atmosphere. Key Takeaways: Mercury’s proximity to the Sun and its slow rotation result in long, scorching days with temperatures over 800°F and equally long, frigid nights that can drop to -290°F …
March 1, 2024
Quick Answer: Mercury is the closest planet to the Sun, completing an orbit every 88 Earth days and experiencing extreme temperature fluctuations. Key Takeaways: Mercury is the smallest and innermost planet in our Solar System, completing an orbit around the Sun in just 88 Earth days due to its close proximity, which also results in …
November 17, 2023
Have you ever heard the saying, “Watch out for pennies falling from the sky”? It’s a quirky way to remind us that sometimes, urban myths can strike closer to home than we think. This article tackles the tall tale head-on: could a penny dropped from a skyscraper height really be fatal? We’ll unpack the physics …
November 16, 2023
Have you ever gazed up at the evening sky, entranced by the moon’s grandeur as it looms large on the horizon, only to wonder if your eyes are playing tricks on you? “Why does the moon get bigger when it’s closer to the horizon?” tackles this celestial conundrum head-on. Unveiling the intricate dance between our …
November 15, 2023
In the cosmic theatre, the supernova is the ultimate spectacle—a star’s dramatic demise, outshining entire galaxies and scattering the seeds of creation. Yet, this stellar cataclysm is more than a distant light show; it’s a fundamental force shaping our very existence. The obliteration of a star by a supernova feels remote, but it’s intimately tied …
November 15, 2023
Ever wondered about the forces shaping the ocean’s tides? While most of us are aware that the moon’s gravity plays a crucial role, the mystery of the far-side bulge, caused by centrifugal force, often goes unnoticed. In this article, we’re diving deep into the intricacies of these natural phenomena, unravelling the complexities of tidal movements …
November 15, 2023
Ever pondered why satellite networks are sprawling with more than just a couple of satellites? It’s a common query, given that a single satellite has the capacity to observe half of our planet. This article is set to unravel this cosmic conundrum, shedding light on the intricate dance of satellites above us. We’ll delve into …
November 15, 2023
Ever wondered why a laser beam, as bright and powerful as it seems, can become almost invisible when viewed from the side? It’s a perplexing phenomenon that raises questions about the nature of lasers and our perception of them. This article dives into the heart of this mystery, unravelling the factors that influence laser brightness …
November 15, 2023
Have you ever wondered how astronomers unlock the secrets of the universe’s past? “How does looking at distant galaxies allow us to look back in time?” is a question that takes us on a cosmic journey, revealing the intricate connection between space, time, and the very fabric of our universe. By delving into the mysteries …
November 15, 2023
Meteorites, those enigmatic space rocks that journey from the far reaches of our solar system to our very doorstep, have long captured our imagination and curiosity. But what really happens when they make contact with Earth? Contrary to popular belief, these celestial visitors are not scorching hot, but rather, they tell a story of a …
November 15, 2023
Ever looked up at the night sky, seen those captivating star spikes, and wondered, “Why do they form perfect crosses?” You’re not alone! This phenomenon, known as diffraction spikes, has intrigued sky gazers and photographers alike. In this article, we’re diving deep into the heart of these luminous crosses, unravelling the science behind them, and …
November 15, 2023
Ever wondered what happens to the human body in the vast emptiness of outer space? The question is as chilling as it is fascinating, and it’s more relevant than you might think. Whether you’re a space enthusiast, a science fiction fan, or just plain curious, understanding the perils of space exposure is crucial. This article …
November 15, 2023
Ever wondered why the laws of physics hold true, regardless of whether you’re observing a star in a distant galaxy or a particle under a microscope? This fascinating phenomenon, known as scale invariance, is a cornerstone of physics, providing a unified understanding across different scales of observation. However, grasping this concept can be tricky, leaving …
November 13, 2023
Gazing into the night sky, galaxies appear as serene, stationary fixtures amidst the celestial tapestry. Yet, scientists insist these colossal structures are in a constant state of rotation. Why this disparity between perception and reality? This article delves into the cosmic dance of galaxies, unravelling the enigma of their hidden motion. We’ll navigate through the …
November 13, 2023
Antimatter, with its mysterious nature and negative mass, stands at the forefront of modern physics, challenging our understanding of the universe. But what does this mean for its interaction with gravitational fields, particularly those of stars? This article dives deep into this perplexing question, unravelling the complexities of antimatter and its behaviour in the cosmos. …
November 13, 2023
Ever wondered what keeps a bicycle balanced as it glides down the road? It’s a question that puzzles many, yet the answer lies in the intriguing interplay of physics and skill. Bicycles, with their two slender wheels and lightweight frames, seem to defy gravity, providing a stable ride for those who master the art of …
November 13, 2023
Ever gazed up at the night sky and wondered about the stars twinkling back at you? You’re actually witnessing a cosmic time capsule, seeing the stars as they were, not as they are. The journey of starlight to our eyes spans years, even millennia, raising the intriguing question: “Since a star’s light takes so long …
November 13, 2023
Have you ever wondered about the mysterious ripples that travel through the fabric of our universe? “Can gravity form waves?” is a question that has baffled scientists and astronomy enthusiasts alike. In this article, we dive deep into the world of gravitational waves, uncovering their secrets and exploring their profound impact on our understanding of …
November 13, 2023
Ever wondered how astronomers can confidently unravel the mysteries of the universe while bound to a single vantage point on Earth? It’s a cosmic conundrum that has perplexed minds for centuries. In this article, we’re diving deep into the world of astronomical observations, tackling the challenges posed by Earth’s limitations, and showcasing the innovative techniques …
November 13, 2023
Ever pondered on what keeps the sun in its perpetual twirl? This celestial giant’s rotation is more than just a cosmic pirouette; it’s a vital dance that influences everything from the solar magnetic fields to life here on Earth. Many find the sun’s mechanics mystifying, struggling to grasp how it impacts our daily lives and …
November 13, 2023
In the vast expanse of space, even the simplest tasks can become complex challenges. “Why did NASA spend millions developing a pen that would work in space when a pencil is just as good?” This question taps into a broader narrative of innovation versus practicality. As we embark on this exploration, we’ll unravel the intricate …
November 13, 2023
In the vast expanse of space, the spectre of warfare looms as nations eye the cosmos for strategic dominance. “What is the range of weapons if used in space?” isn’t just a question for sci-fi aficionados; it’s a pressing concern for global security. As satellites become vital to our infrastructure, the threat of space weapons …
November 11, 2023
Ever wondered about the overall electric charge of the universe? It’s a question that boggles the mind and sparks curiosity, holding profound implications for our understanding of the cosmos. Many of us grapple with the complexities of the universe, feeling overwhelmed by its vastness and the mysteries it harbours. This article is here to guide …
November 11, 2023
Have you ever gazed up at the night sky, marvelling at its vastness and beauty, and wondered if it will always remain this way? The universe is expanding, and this cosmic ballet has profound implications for the starlit canvas we hold dear. In this article, we delve into the heart of this astronomical phenomenon, addressing …
November 11, 2023
Black holes, the universe’s enigmatic giants, have long captivated our imagination, posing questions that seem almost paradoxical in nature. “How does a black hole give off light?” stands out as one of the most intriguing queries. Despite their reputation for devouring everything in their vicinity, black holes are not shrouded in complete darkness. This article …
November 11, 2023
Ever wondered why our galaxy behaves the way it does, with everything from stars to space dust dancing in a cosmic ballet around a central point? You’re not alone. This article dives deep into the heart of our galaxy to explore the supermassive black hole at its core, unravelling the mysteries of its gravitational pull …
November 10, 2023
Ever wondered how a guitar would sound in the zero-gravity realm of a space station? It’s a curious question that tickles the imagination and delves into the fascinating intersection of music and space exploration. In this article, we’re exploring the unique acoustics of space, the experiences of astronauts strumming in zero gravity, and the impact …
November 10, 2023
Ever looked up at the sky and wondered how those fluffy clouds manage to hold so much water? You’re not alone! Clouds play a crucial role in our planet’s weather patterns, and understanding their formation is key to deciphering the mysteries of the atmosphere. In this article, we’re diving deep into the world of clouds, …
November 10, 2023
Ever wondered how astronauts manage to stay grounded while zipping through space? “How do space ships make artificial gravity?” is a question that piques the curiosity of many, from space enthusiasts to the casual reader. In this article, we’re diving deep into the world of artificial gravity, unraveling the science behind it, and exploring the …
November 10, 2023
Diving into the cosmic wonders of the universe, we find ourselves grappling with the enigma of black holes, and the tantalizing possibility of their antimatter counterparts. But how can we distinguish a black hole formed from antimatter from one made of matter? This question not only tickles the curiosity of astronomers and physicists but also …
October 26, 2023
Have you ever wondered what would happen if you took a plunge straight through the center of the Earth? It’s a mind-boggling scenario that has intrigued scientists, adventurers, and the curious alike for centuries. In this article, we’re diving deep into the heart of our planet, unraveling the mysteries of gravity, Earth’s layers, and the …
September 19, 2022
The James Webb Space Telescope was named after a former administrator who worked for NASA in the 1950s and 60s and oversaw the Apollo program. It is the world’s largest and latest orbiter telescope with a mission length of 5 to 10 years. It cost a whopping 10 billion USD and took about 25 years …
October 20, 2020
In order to answer this question, we first need to define what we mean by up and down in space. And also acknowledge that the only reason ‘up and down’ exists as a binary is because we created them as humans.What is up and what is down?Since we are held to the surface of the …
October 20, 2020
The sun will never run out of oxygen because it does not use oxygen in its process in the first place.What does the sun burn then?The sun does not burn thanks to a chemical combustion such as the flame fed by oxygen. The sun carries out nuclear fusion instead of using oxygen. The sun is …
October 20, 2020
The earth’s ocean tides are not just caused by the moon’s gravitational pull, they are actually also caused by the sun’s gravity too. We are led to believe that it is just the moon, but this is not the case.How strong does gravity have to be to affect the tides?The tides on earth are not …
October 20, 2020
To start with: the sun is not the center point of solar system. But the answer is more complicated than that. First, we have to define the center of our solar system, then we need to investigate why people believed the earth was the center instead of the ‘obvious’ answer of the sun, which is …
October 20, 2020
The quickest way to answer this question is to say that the stars are not actually fixed in space, they are in fact always moving. But we are also going to explain how astronomers know this and how stars are actually always moving. Since, you came here for an answer.But they always look so still!Yes, …
October 20, 2020
How to define a space movieWhen we talk about space movies, we can mean one of two things: movies that are simply set in space and science fiction movies. These are so different in that movies set in space can have the capacity to be incredibly accurate, but science fiction movies are designed to be …
October 20, 2020
What is the speed of light?The speed of light in a vacuum always travels at exactly 299, 792, 458 meters per second. This is the unit c in equations. This is the case from the moment of its creation, light does not need to accelerate to this speed, it is already going this speed from …
October 20, 2020
Although the question suggests that it is a fact that the Great Wall of China is visible from space, it actually is not visible to the naked eye from space. According to NASA themselves, the Great Wall of China is not even visible to the naked eye when in low-earth orbit. Yes, the Great Wall …
October 20, 2020
The real question should be: what is the speed of gravitational change propagation? This might be a little confusing at first, but this answer will help to make sense of the topic.Other questions that ariseSince this question is quite a big one to ask, there are also some other questions that it uncovers alongside it. …
October 20, 2020
The short answer is that there is no set limit that is rigid for a magnetic field strength. But some interesting things will start to happen when magnetic fields reach a high strength.How does a magnetic field work?A magnetic field will act in a way that exerts its force sideways onto a moving electric charge. …
October 20, 2020
Contrary to the suggestion of the question, a space ship would not stop when it runs out of fuel. Even though there are objects in space like gas, dust and particles, they are in such low concentrations and so spread out that it is highly unlikely that a space ship would come into contact with …
October 20, 2020
To answer this question, we first have to think about how we actually define what a planet is. In space we have different ways of characterizing the astronomical bodies, and of differentiating them from one another.Is there a way to define what a planet it?In science, numbers play the largest role because they are exact …
October 20, 2020
Although it is true that the universe is expanding at a rapid rate, this expansion of the universe does not affect our galaxy in the ways you might think.How galaxies are affected by universe expansionOur galaxy is made up of astronomical bodies, all of which orbit other objects and have a set path that has …
October 20, 2020
To begin with, there is no amount of water that you can throw at the sun to ‘put it out’. Throwing water on the sun would actually make the sun burn even more.Isn’t the sun like a giant fire?The sun’s process is nuclear fusion, not chemical combustion which means that it is not a regular …
October 20, 2020
Actually, the wind is not the only factor that causes ocean currents. It is true that the wind plays a role, but it is only a small one compared to some of the other variables involved. On top of this, the factors that we are about to explain, including wind, act in different ways on …
October 20, 2020
What is a photon?A photon is a particle of light. Or, more specifically, it is a particle that represents light. A photon will carry energy.Can a photon travel at the speed of light?Since a photon is a particle of light, this means that it does not need to accelerate to light speed, as it is …
October 20, 2020
To answer the second part of this question first: black holes do not suck everything in. Some objects can actually orbit black holes just like the earth orbits the sun: safely. This is possible because black holes have their own gravity just like our sun does, or like stars do in general. In fact, stars …
October 18, 2020
The basicsThe heart does not actually work on its own to pump blood all the way around the body, this is because there would be a high amount of pressure at the area of the heart and a significantly lower pressure at the extremities. So, imagine blood being pumped away from your heart to the …
October 18, 2020
The simple answer is no, gravity does not extend out forever. Although there is a theory that states that it does.Newton’s Law of Universal GravitationNewton’s law states that the force of gravity on one mass due to another mass will depend mainly on their separation. This separation is represented as r where the dependence is …
October 18, 2020
This is an example of a question that has been influenced by science fiction literature and movies that seem to warp the truth on things like this for entertainment. But also, the science itself can be confusing. This answer will debunk the incorrect beliefs that we hold and also explain why they are wrong.So, do …
October 18, 2020
The short answer is that you do actually weigh less at the equator than you do stood at the North Pole. This is the same for the South Pole too. But this answer will debunk some of the mystery surrounding the answer and delve deeper into why this is the case.Does your body change when …
October 18, 2020
Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier?The answer to this is twofold, because it can be answered both yes and no. It depends on the material that you are in.Can anything travel the speed of light?Yes, particles that are considered quantum …
October 18, 2020
To start with, your mass is not affected at all by the speed that you travel at. People tend to believe that objects gain mass as they travel at higher speeds, mainly because old textbooks and teachings have us believe that. But according to Einstein’s theory of Special Relativity, this is simply not true.So why …
October 18, 2020
It is true that a star can turn into a planet, but the star has to be a brown dwarf. There are multiple different types of star, all having different properties, but in order for a star to become a planet, it would have to have been a brown dwarf star.Brown dwarfs are stars?Normally, stars …
October 11, 2020
First of all, there definitely is a lot of gravity in space. Gravity is a force that is very prevalent in space, even if it is not strong everywhere. In relation to the surface of Earth, gravity is obviously weaker the further from Earth you go, but gravity is still there in space. Gravity can …
October 11, 2020
The sun never changes its temperature in relation to Earth’s seasons. Since it is literally a ball of fire facilitated by nuclear reactions, its surface stays hot all year round. The extremely high heat of the sun causes it to emit copious amounts of radiation in all directs from its spherical shape. Since the sun …
October 11, 2020
Conversely to the question, the moon is actually not that bright, especially when we compare it to other astronomical objects in space. The reason that the moon appears so bright in our night sky on earth, is because we are comparing the brightness of it to the object around us that are receiving absolutely no …
October 11, 2020
In a short answer: light is not in fact pure energy. It is, however, true that light has no mass. But the fact that light has no mass does not mean that light is pure energy. Light is actually made up of objects called photons. This can be compared to other fundamental quantum objects since …
October 11, 2020
On the contrary, gravity is actually the weakest force. This is true when it comes to the fundamental forces anyway. If you order the four fundamental forces from weakest to strongest, it would look like this: gravity, weak nuclear force, electromagnetic force, and the strong nuclear force. If we are to zoom in on two …
October 11, 2020
Thanks to gravity, the earth does fall. It is actually in a constant state of falling since it is in orbit around the sun. This gravitational pull that the sun has on the earth is useful since it stops earth from catapulting into space. Gravity means that objects are not just drawn to the thing …
October 11, 2020
The quick answer is that, according to observations made by astronomers, there is no edge to the universe. The universe is constantly expanding meaning that space spreads out infinitely in every direction. Galaxies and nebulas and stars fill out all of the space throughout this infinite universe. There are two observations that make this believable. Firstly, …
October 11, 2020
This is a complex question with an even more complex answer. But essentially there is no center of the universe according to current observations. If a center point were to exist, it would need to significant and special in a way that meant it was special to the whole universe collectively. So, this answer will …
October 11, 2020
The truth is, the planets in our solar system never actually line up perfectly. This is something that we think should happen because a lot of the artwork surrounding the solar system sees all of the planets in a perfectly straight line that is just not achievable for our solar system. We are led to …
October 11, 2020
To begin with, being ‘stuck’ in the night sky is not exclusive to the North star: none of the stars in the night sky actually move enough for our time measurements to comprehend. They will move over the course of millions of years, meaning we won’t see them move across the sky in our lifetimes. The …
October 11, 2020
Logically, there can be no darkness without the existence of light. Think of a bright day accompanied by the shadows that the sun casts when blocked by something like a streetlamp. Darkness is simply the absence of light, so it follows that it travels at the speed of light. The absence of light, or darkness, is …
October 6, 2020
In a short and direct answer: the sun’s light and color is white. You may have heard about the light spectrum that we can see with the human eye being white light. This is because they all come together to form white light. Since we can see the range of seven colors of light in the outside …
October 5, 2020
There are not really any solidly compelling pieces of proof that show that a full moon can make people crazy and commit crimes. But the myth surrounding this claim is greatly interesting. Since the term ‘lunacy’, a word we use to mean ‘mad’ or ‘crazy’, is derived from ‘Luna’ meaning ‘moon’, the origins of this idea …
October 5, 2020
We cannot use gravity as an infinite energy source. This is because gravity cannot actually be used as an energy source at all. Since gravity is a force, it is not an energy source. Energy and force are two different things and should not be confused. Where energy can be described as being a property in …
October 5, 2020
Although it is true that light has no mass, it does in fact carry energy. This answer is a little more complex than that simple statement though and may require you to have a little basic knowledge on Einstein’s theory of special relativity: the theory that can explain how space and time are linked. E …
October 5, 2020
The short answer is that it the expansion of the universe is not what makes space a vacuum. What we call a vacuum in outer space is actually caused by gravity. And when we say, ‘outer space’, it refers to the whole area of space that is not considered the atmosphere of planets or stars. And …