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Astronomy

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 Good Question
Question score of 25 or more. This badge can be awarded multiple times.
Awarded 244 times.
Would a black hole evaporate via Hawking radiation before you fall past the event horizon?
Awarded May 25 at 13:30
How precise are future Solar eclipse timing, path and dates, what could change timing/path?
Awarded Apr 12 at 1:50
Is it coincidence that the earth's rotation and revolution are in the same direction?
Awarded Feb 29 at 12:27
What exactly is the "paradox" in Olber's Paradox?
Awarded Nov 24, 2023 at 19:18
Is the dark side of the earth protected from the risks of solar flares?
Awarded Nov 16, 2023 at 12:56
Definition of a moon in an exam: "A satellite of a planet that *doesn't produce light itself but reflects it*" - is there relevance for the emphasis?
Awarded Nov 2, 2023 at 16:26
Why do we believe that the super massive black holes at the centers of two merging galaxies would themselves merge?
Awarded Oct 12, 2023 at 16:48
Why are radio telescopes often built into natural depressions?
Awarded Sep 4, 2023 at 2:10
Is there any planet bigger than a star?
Awarded Aug 24, 2023 at 11:50
Shouldn't very very distant objects appear magnified?
Awarded Aug 20, 2023 at 19:58
How fast are we moving relative to the CMB?
Awarded Jul 29, 2023 at 15:26
Is it possible to completely see the edge of a half moon at night?
Awarded Jun 28, 2023 at 0:10
Which is brighter, Mars as seen from Earth, or Earth as seen from Mars?
Awarded May 5, 2023 at 15:58
Was Galileo expecting to see so many stars?
Awarded Mar 2, 2023 at 20:43
Why is the solstice the first day of summer, and not the central day?
Awarded Feb 6, 2023 at 22:07
Is the Solar core hard?
Awarded Jan 9, 2023 at 16:26
Is it possible for a lunar eclipse to occur before sunset
Awarded Jan 6, 2023 at 3:48
How far away could we detect that Earth has life?
Awarded Nov 21, 2022 at 3:01
Intuitive explanation of the source of energy that cause Jupiter and Saturn to migrate outward in the Grand Tack Hypothesis?
Awarded Nov 9, 2022 at 9:41
Why are the Pillars of Creation pillar-shaped?
Awarded Oct 26, 2022 at 18:58
Is this photocomposition of Andromeda's galaxy and the Moon accurate?
Awarded Oct 21, 2022 at 13:46
How does the evolution of a solar system not break the second law of thermodynamics?
Awarded Oct 21, 2022 at 3:08
Are we made of the stuff of one star or more stars?
Awarded Oct 16, 2022 at 22:51
Why did they decide to hit Dimorphos in the retrograde direction rather than prograde; was it a "coin-toss" or were there implications for observing?
Awarded Oct 16, 2022 at 9:12
Do these results mean that I have found this exoplanet?
Awarded Oct 11, 2022 at 18:27
Why, since Earth is in free fall towards Sun, are tides affected by Sun's gravity? Why aren't the oceans "weightless" like astronauts?
Awarded Oct 4, 2022 at 20:00
Why do Jupiter’s moons have so much water?
Awarded Aug 17, 2022 at 12:25
When stars explode after running out of fuel, why are new stars born from the remnants?
Awarded Aug 15, 2022 at 21:47
How often do stars pass within 1 light year of the Sun?
Awarded Aug 15, 2022 at 6:55
Terrestrial Exoplanet Skies – I've Built a Visual Sky Chart. Is it Accurate?
Awarded Jul 28, 2022 at 23:33
Why is one picture of this star blue with red, and the other red with blue?
Awarded Jul 14, 2022 at 16:27
In this image taken by Voyager 1, which is closer: the earth or the moon?
Awarded Jul 11, 2022 at 8:45
Is it a coincidence that on the far side of the moon almost no seas are visible?
Awarded Jul 4, 2022 at 14:36
Trying to identify something I saw in the sky
Awarded Jun 23, 2022 at 6:32
Why is the summer solstice night shorter than the winter solstice day?
Awarded Jun 15, 2022 at 15:05
Does a planet's mass or gravity affect the height of it's mountains?
Awarded May 17, 2022 at 3:34
Why do some supermassive black holes have a * in their name?
Awarded May 14, 2022 at 12:10
Future of CMB observations: How will our knowledge of the early universe change?
Awarded Apr 22, 2022 at 8:21
Is there a better explanation of this picture showing the very distant star "Earendel"?
Awarded Apr 5, 2022 at 10:47
How can Io be tidally heated while it is in tidal lock?
Awarded Apr 5, 2022 at 1:25
Why does the alignment evaluation image from JWST look like this?
Awarded Mar 20, 2022 at 12:26
Why is the Moon's orbit so complicated?
Awarded Feb 26, 2022 at 22:17
How did Hubble know the red shift difference between "moving away" and "old"?
Awarded Feb 23, 2022 at 19:55
Which planet came first in our Solar system?
Awarded Jan 26, 2022 at 15:41
Why do planets and satellites in the Solar system look so wildly different if they came from more or less the same matter?
Awarded Jan 25, 2022 at 12:46
Can a planet with no atmosphere be orbited at extremely low altitudes?
Awarded Jan 21, 2022 at 16:26
Is the science in "Don't Look Up" realistic?
Awarded Dec 29, 2021 at 6:47
How did Kepler "guess" his third law from data?
Awarded Dec 28, 2021 at 18:47
What (the heck) is a Super Worm Equinox Moon?
Awarded Dec 25, 2021 at 21:04
Is it a coincidence that both the Sun and the Moon look of same size from the Earth?
Awarded Dec 25, 2021 at 21:04
What should I look for in a first telescope for a child?
Awarded Dec 2, 2021 at 9:06
Which planet, viewed from which other planet would appear the largest?
Awarded Nov 3, 2021 at 23:21
Is saying that what we see of an object 1 light-year away happened 1 year "ago" in any a way useful view of the universe?
Awarded Oct 29, 2021 at 2:50
How else can a star form, other than gravitational collapse?
Awarded Oct 27, 2021 at 3:46
Is the light we see from stars extremely old?
Awarded Sep 26, 2021 at 14:40
Is the Astronomical Unit measured from the Sun's center or from the surface?
Awarded Sep 3, 2021 at 12:36
Why does light accelerate instantaneously to c, while no other phenomena do it? [closed]
Awarded Aug 19, 2021 at 2:25
Why is the Eagle Nebula so "static"?
Awarded Aug 7, 2021 at 2:21
Is Jupiter's Red Spot "locked in place" or does it move around?
Awarded Aug 2, 2021 at 16:40
How distances are measured in the Solar System, in the Galaxy, and in the Universe?
Awarded Jul 15, 2021 at 14:05
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