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Astronomy

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Accepted answer and score of 40 or more. This badge can be awarded multiple times.
Awarded 134 times.
Why does Mars have a jagged light curve?
Awarded yesterday
Why is Uranus colder than Neptune?
Awarded Jul 10 at 14:17
Why don't they put more spare gyroscopes in expensive space telescopes?
Awarded Jun 20 at 16:30
Why has Venus's atmosphere not been stripped away by solar wind?
Awarded May 14 at 16:41
How did the ancient cultures determine that the year was actually a fraction of an extra day beyond 365 days?
Awarded May 1 at 21:37
Why is there a year 1 B.C., a year 0, and a year 1 A.D. in NASA’s Five Millennium Canon of Solar Eclipses?
Awarded Apr 17 at 4:41
How precise are future Solar eclipse timing, path and dates, what could change timing/path?
Awarded Apr 12 at 2:06
Why wasn't the planet Uranus recognized by ancient cultures?
Awarded Mar 7 at 21:42
What does the Earth look like when viewed from Saturn?
Awarded Dec 4, 2023 at 0:08
Is the dark side of the earth protected from the risks of solar flares?
Awarded Nov 17, 2023 at 9:18
How much of the surface of other planets is lit by the sun?
Awarded Oct 17, 2023 at 16:00
How can telescopes see anything at all?
Awarded Oct 13, 2023 at 4:34
Shouldn't very very distant objects appear magnified?
Awarded Aug 20, 2023 at 21:42
Does the Earth constantly lose mass?
Awarded Mar 10, 2023 at 22:15
Is the Solar core hard?
Awarded Jan 31, 2023 at 8:06
How do we know that a comet passed by earth 50,000 years ago?
Awarded Jan 18, 2023 at 16:56
Why doesn’t the Sun fill the sky on Mercury?
Awarded Dec 12, 2022 at 23:41
Is the Sun visible from Proxima Centauri to human eyes?
Awarded Dec 8, 2022 at 4:46
Why is time referred to as "The" capital T 4th dimension?
Awarded Dec 4, 2022 at 17:08
Counting from the 21st century forward, what place on Earth will be last to experience a total solar eclipse?
Awarded Nov 10, 2022 at 17:31
Which planet, viewed from which other planet would appear the largest?
Awarded Nov 4, 2022 at 12:56
How did the Milky Way quasar not disrupt life on Earth?
Awarded Oct 27, 2022 at 3:48
Why are the Pillars of Creation pillar-shaped?
Awarded Oct 26, 2022 at 22:36
When stars explode after running out of fuel, why are new stars born from the remnants?
Awarded Aug 16, 2022 at 9:36
How does the earth cast straight and reversed shadows on the moon?
Awarded Jul 12, 2022 at 6:46
In this image taken by Voyager 1, which is closer: the earth or the moon?
Awarded Jul 11, 2022 at 22:05
Trying to identify something I saw in the sky
Awarded Jun 23, 2022 at 12:27
Why is the summer solstice night shorter than the winter solstice day?
Awarded Jun 15, 2022 at 7:55
What is the **actual** average distance of the Moon from Earth?
Awarded May 5, 2022 at 9:57
Is there a better explanation of this picture showing the very distant star "Earendel"?
Awarded Apr 8, 2022 at 15:47
Why does the alignment evaluation image from JWST look like this?
Awarded Mar 21, 2022 at 20:50
Where in space would the Earth and Moon appear to be the same size?
Awarded Dec 10, 2021 at 3:05
What is the most accurate measurement of the Astronomical Unit?
Awarded Oct 20, 2021 at 15:07
Are there any old/ancient star maps that we can compare to today’s and see drastic differences?
Awarded Oct 16, 2021 at 19:50
Will there be collision between universes?
Awarded Oct 4, 2021 at 18:25
Where did TRAPPIST-1a go?
Awarded Jul 30, 2021 at 3:18
If we replaced the Moon with Ceres, how close would Ceres have to orbit to cause the same tides?
Awarded Jun 22, 2021 at 15:18
How are constellations intact if the stars are rotating around galactic nuclei?
Awarded Jun 14, 2021 at 18:05
Is it suspicious that gravitational waves propagate at the speed of light?
Awarded Jun 13, 2021 at 10:48
Is the sun's volume shrinking currently?
Awarded May 30, 2021 at 23:33
Hydrogen burning vs Hydrogen fusing
Awarded May 24, 2021 at 14:46
Why do small mirror imperfections matter with modern computers
Awarded May 18, 2021 at 1:57
Can Newton's gravity equation explain why black holes are so strong?
Awarded May 12, 2021 at 1:43
Why do some electromagnetic waves continue travelling while others disappear?
Awarded Apr 25, 2021 at 15:23
Could liquid water have existed in open space 15 million years after the Big Bang?
Awarded Apr 15, 2021 at 14:39
Does General Relativity really predict Black Holes?
Awarded Apr 10, 2021 at 22:11
How much magnification is needed to see the planets of solar system?
Awarded Apr 9, 2021 at 22:34
Why won't the Sun set for days at N66.2 which is below the arctic circle?
Awarded Mar 25, 2021 at 4:25
Serious alternate form of the Drake Equation, or graffiti?
Awarded Feb 26, 2021 at 1:36
Is oxygen really the most abundant element on the surface of the Moon?
Awarded Feb 12, 2021 at 15:27
The moon has just the right speed not to crash on the Earth or escape into space. What are the odds?
Awarded Feb 1, 2021 at 9:27
A moon in eccentric orbit dipping below Roche limit
Awarded Jan 30, 2021 at 14:26
Are new stars less pure as generations go by?
Awarded Jan 25, 2021 at 4:42
Are there any stars that orbit perpendicular to the Milky Way's galactic plane?
Awarded Jan 17, 2021 at 16:25
Why are most discovered exoplanets heavier than Earth?
Awarded Dec 31, 2020 at 18:00
What makes protoplanetary disks start rotating? (Initial energy needed to rotate)
Awarded Nov 19, 2020 at 19:41
Intuition about why gravity is inversely proportional to exactly square of distance between objects
Awarded Nov 7, 2020 at 2:57
Is lithium considered a metal in astronomy?
Awarded Oct 29, 2020 at 14:12
How do scientists know that the distant parts of the universe obey the physical laws exactly as we observe around us?
Awarded Oct 14, 2020 at 10:04
Why do the planets orbit in the same direction?
Awarded Oct 8, 2020 at 15:50
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