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17 Oct 2016 —
Aaron Smith
Does light accelerate when approaching the edge of a black hole?
22 Aug 2016 —
Sydney Sherman
In an expanding universe, why are Andromeda and the Milky Way destined to collide?
22 Mar 2016 —
Hwihyun Kim
What are the degree requirements and verification required to become an astronomer?
29 Feb 2016 —
Sam Factor
What proof do you have that planets are made from gas and dust?
13 Feb 2016 —
Raquel Martinez
Does a sunset in the west and a moonrise in the east ever happen at exactly the same time?
07 Feb 2016 —
Thomas Gomez
How do astronomers zero in on the spectrum of a single star?
02 Feb 2016 —
Marshall Johnson
Why do comets not get captured by Earth's gravity during a close flyby?
29 Jan 2016 —
Hwihyun Kim
What is the difference between "twin suns" and "binary suns"?
19 Jan 2016 —
Eva Noyola
Does time stand still inside a black hole?
19 Jan 2016 —
J. Craig Wheeler
Does the matter inside a black hole have temperature and density?
13 Jan 2016 —
Gregory Mace
Do single stars tend to rotate in the same direction as the Sun and/or the Galaxy?
06 Jan 2016 —
Emma Yu
Why does only one side of the Moon face the Earth?
28 Dec 2015 —
Max Parks
Is there public domain software to calculate the orbit of a spacecraft?
20 Dec 2015 —
Rebecca Tippens
How is HETDEX different from other dark energy surveys?
19 Dec 2015 —
Jacob Hummel
How likely is it that the Universe is closed, rather than flat?
18 Dec 2015 —
Tom Crawford
Immediately after the Big Bang, did light stop at the edge of the Universe?
15 Dec 2015 —
Monika Adamow
Is Betelgeuse shrinking?
06 Dec 2015 —
Augusto Carballido
If the Moon was formed out of a giant collision, why is there no ring of debris surrounding Earth?
04 Dec 2015 —
Adam McKay
Why does the atmosphere of Pluto have a blue tint?
01 Dec 2015 —
Yao-Lun Yang
Can we find exoplanets (and possibly extraterrestrial life) by beaming low-frequency waves towards them?
29 Nov 2015 —
Matt Stevans
Does the wavelength of a photon change over its travel through intergalactic space?
21 Nov 2015 —
Zach Vanderbosch
How much of the Sun has been used up?
21 Nov 2015 —
Judit Ries
About 100 tons of cosmic dust fall on the Earth every day. Will this cause Earth's orbit to change over time?
20 Nov 2015 —
Sarah Salviander
What is the evidence that early astronomers used to show that the Earth is turning on its axis?
20 Nov 2015 —
Sam Factor
Is there a way to provide a magnetic field for Mars?
19 Nov 2015 —
Jeffrey Silverman
How long does it take for stars to explode?
13 Nov 2015 —
Aaron Rizzuto
How does the direction of the moonrise change?
12 Nov 2015 —
Keaton Bell
How old are small stars?
09 Nov 2015 —
J. Craig Wheeler
Why is light traveling at the specific speed of 186,000 miles/sec?
09 Nov 2015 —
Rachael Livermore
Is space expanding faster than the speed of light?
06 Nov 2015 —
Monika Adamow
Is the Sun yellow or white?
05 Nov 2015 —
Adam Kraus
Is Jupiter a failed star?
03 Nov 2015 —
Augusto Carballido
Is there is a policy to not send probes anywhere that conditions might support life?
25 Oct 2015 —
Emma Yu
How long does it take for a planet to be born?
23 Oct 2015 —
Adam McKay
Is Pluto still a planet?
21 Oct 2015 —
Eva Noyola
Are astronomers convinced that dark matter is the answer?
07 Oct 2015 —
Marshall Johnson
Can a hypothetical Planet X whip around from behind the Sun in a 3600-years orbit?
05 Oct 2015 —
Tom Crawford
What is the hierarchy of structures in the Universe?
03 Oct 2015 —
Augusto Carballido
Is it possible to colonize and terraform Mars at the same time?
02 Oct 2015 —
Zach Vanderbosch
When I look up and see the Milky Way galaxy, am I looking towards the center of the galaxy or towards outer space?
02 Oct 2015 —
Eva Noyola
How is the HET uniquely capable of studying dark matter and dark energy?
02 Oct 2015 —
Jim Chandler
Is it possible to see the Andromeda galaxy with the unaided eye when in dark sky country within Texas?
02 Oct 2015 —
Keaton Bell
Would the constellations we see from Earth look any different from other planets in our solar system?
22 Sep 2015 —
Stefano Meschiari
How many years does it take to become an Astronomer in college? Does one need a doctoral degree?