All Questions

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

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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

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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

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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

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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

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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

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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

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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.

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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

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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

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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

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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

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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

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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

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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

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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

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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,

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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

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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

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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

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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,

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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

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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.

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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,

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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

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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

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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

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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

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October 5, 2020

A lot of scientist will say that astrology does not ‘work’. But believers in astrology will tell you that it is real and that it does work. The real answer is that it depends what you mean by the word ‘work’.  Both answers and groups of people are technically right, depending on their definition of ‘work’.

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October 5, 2020

The short answer is that sound does not travel in space at all.  Since sound is received by our ears in the form of vibrating air and there is virtually no air in space, there is nothing to vibrate to make a sound. You could even imagine the loudest sounds you can think of, like a

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October 3, 2020

I’ve heard multiple sources say the sun is white, that it just looks yellow because the Earth’s atmosphere is scattering the blue light. I’ve heard in other places that the sun is yellow because of its position in the Hertzsprung-Russell (H-R) Diagram. Which is it? It can’t be both yellow and white at the same

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October 3, 2020

I understand stars are millions of light years away and it takes a long, long time for the light of say a star exploding to reach us. We have pictures of stars exploding 50 years ago. Why are those stars still exploding? Do they explode in slow motion?? Also, why don’t we see galaxies turning?

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October 3, 2020

That’s a very interesting question, and one that can often be very difficult to answer when getting deep into the details, but I’ll try and do a quick “back-of-the-envelope” calculation for you and mention when these tricky little details might become important and change my answer. Here is the basic problem to solve. The Sun

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October 3, 2020

I read that Betelgeuse is shrinking. Is it true, and will there be any consequences? Betelgeuse is a star very often studied by astronomers. Before answering why Betelgeuse is shrinking, let’s explain how to keep a star in a stable state. To do that, two forces must be in equilibrium: gravity, which pulls inward and tries

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October 2, 2020

Given the recent discovery of the presence of liquid water on Mars, how likely do you think the possibility of terraforming is? (I know that part’s open-ended, but stick with me.) Can you postulate a method to begin colonization and terraforming simultaneously, or would humans have to wait the (presumed) hundreds—if not thousands—of years for

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October 2, 2020

Is Pluto still a planet? How can astronomers decide if Pluto is or not a planet? Thank you for your question. It is one that often comes up, and hopefully my response will clarify Pluto’s status. The short answer is no, Pluto is no longer a planet. It is now classified as a type of

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October 2, 2020

Approximately how long does it take for a planet to be born? Is a planet currently forming and if there is, what is its name? To answer how long it takes for planets to form, we first need to have a look at how planets are formed. The formation of planets is very closely related

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October 2, 2020

Is Jupiter a failed star? I study how stars and planets form, which is a big part of the ways that Jupiter both is and isn’t like a star. We can consider Jupiter to look somewhat like a “failed star” because it actually has a chemical composition that is very similar to the Sun. Jupiter

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October 2, 2020

e most mornings, and I notice and understand how over the course of a year it rises in a different area on the horizon. These position changes having to do with the Earth’s tilt and rotation around the Sun. I also get to see the moonrise and its position change on the horizon, much like

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