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Astronomy

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Answer score of 25 or more. This badge can be awarded multiple times.
Awarded 580 times.
Why is Uranus colder than Neptune?
Awarded Jul 1 at 15:15
Are there really half-a billion visible supernovae exploding all the time?
Awarded Jun 26 at 11:01
Why don't they put more spare gyroscopes in expensive space telescopes?
Awarded Jun 19 at 18:47
Why can't we feel the Earth's revolution?
Awarded Jun 19 at 16:35
Is Earth's Atmospheric Thickness Related to Cosmic Ray Radiation?
Awarded Jun 19 at 10:06
Why does Mars have a jagged light curve?
Awarded Jun 11 at 10:21
Is it theoretically possible for the Sun to go dark?
Awarded Jun 10 at 15:51
How did the ancient cultures determine that the year was actually a fraction of an extra day beyond 365 days?
Awarded May 1 at 21:48
How did the ancient cultures determine that the year was actually a fraction of an extra day beyond 365 days?
Awarded Apr 29 at 16:55
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 15 at 18:40
How precise are future Solar eclipse timing, path and dates, what could change timing/path?
Awarded Apr 11 at 7:25
What caused pink flares during the eclipse
Awarded Apr 10 at 20:33
Why is it ok for people to be saying that dark matter makes up x amount of the universe when we don't know what it is?
Awarded Mar 30 at 3:36
Do Pulsar stars make actual sounds?
Awarded Mar 27 at 16:16
Can a lunar eclipse happen at night and be followed by a solar eclipse the next day?
Awarded Mar 25 at 12:57
Why is it ok for people to be saying that dark matter makes up x amount of the universe when we don't know what it is?
Awarded Mar 21 at 22:04
Why does nuclear fusion generate heat?
Awarded Mar 20 at 17:42
Are spacecraft visits to Uranus and Neptune hard to plan?
Awarded Mar 15 at 8:48
Multiply Earth's orbital speed with square root of 2
Awarded Mar 13 at 1:07
What's the issue with Olbers' paradox?
Awarded Mar 12 at 17:45
Why wasn't the planet Uranus recognized by ancient cultures?
Awarded Mar 8 at 12:04
Why is the lunar relief not visible in photographs of solar eclipses?
Awarded Mar 7 at 20:32
Why wasn't the planet Uranus recognized by ancient cultures?
Awarded Mar 6 at 19:48
Why don't we just unshift the IR photos from Webb?
Awarded Feb 28 at 18:26
Is it possible to do moon sighting in advance for 5 years with 100% accuracy?
Awarded Feb 26 at 11:26
Can a natural satellite exist in a geostationary orbit?
Awarded Feb 24 at 9:33
Is there a word for an object orbiting a brown dwarf?
Awarded Feb 23 at 13:56
Is there anything currently 46 billion light years away from Earth that we can see?
Awarded Feb 22 at 18:09
How do I know it is safe to remove eclipse glasses when viewing a total solar eclipse?
Awarded Feb 18 at 14:18
Safest Place on Earth from Falling Meteorites
Awarded Feb 15 at 15:31
How are we observing the newly discovered "dark galaxy" J0613+52, if it has no stars and is so far away from other galaxies?
Awarded Jan 30 at 8:42
Was this video shot with a ground based hobby astronomer telescope?
Awarded Jan 27 at 3:27
Was the Sun's gravitational lensing observed in other solar eclipses than the one in 1919?
Awarded Jan 22 at 12:55
At what velocity would an object have to fall in order to become weightless?
Awarded Jan 12 at 9:42
What do Saturn's rings look like during a total solar eclipse, viewed from one of its moons?
Awarded Dec 29, 2023 at 21:57
If the universe has no true center, could it have antipodes?
Awarded Dec 29, 2023 at 20:28
What star is this?
Awarded Dec 16, 2023 at 5:15
How did the ancient Greeks measure celestial angles?
Awarded Dec 14, 2023 at 16:17
What would happen if a small black hole fell into a star?
Awarded Dec 7, 2023 at 8:56
The star that created our sun
Awarded Dec 6, 2023 at 15:07
What does the Earth look like when viewed from Saturn?
Awarded Dec 1, 2023 at 16:35
Is Venus' north towards Earth's south
Awarded Nov 29, 2023 at 9:35
Line of lights moving in a straight line, with a few following
Awarded Nov 28, 2023 at 23:16
Why is it impossible to infer the surface temperature of Venus by spectroscopy observation from earth?
Awarded Nov 28, 2023 at 10:11
Why did the dust between the planets disappear during the birth of the solar system?
Awarded Nov 23, 2023 at 14:07
Is the dark side of the earth protected from the risks of solar flares?
Awarded Nov 14, 2023 at 21:38
Could the Methuselah star be evidence that there was a universe before this one?
Awarded Nov 10, 2023 at 5:04
Why did Theia create only one moon if it struck Earth?
Awarded Nov 8, 2023 at 8:36
Distance of the Crab nebula and the speed of light
Awarded Nov 7, 2023 at 6:07
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 1, 2023 at 17:07
Which place in the world should be best for astronomy with an optical telescope?
Awarded Oct 28, 2023 at 13:36
Does the Oort cloud have any large holes in it and if not does this mean nothing large has entered the solar system for a long time?
Awarded Oct 27, 2023 at 22:26
Can things move faster than light inside the event horizon of a black hole?
Awarded Oct 26, 2023 at 11:55
How much of the surface of other planets is lit by the sun?
Awarded Oct 16, 2023 at 15:08
Could a galaxy be the sun of a planet?
Awarded Oct 14, 2023 at 12:21
How can telescopes see anything at all?
Awarded Oct 11, 2023 at 20:56
Error in "Efficient Method for Calculating the time of Sunrise and Sunset" by Robin G Stuart
Awarded Oct 7, 2023 at 9:36
How does a neutron star collapse into a black hole?
Awarded Oct 3, 2023 at 6:12
How to describe the Sun's location to an alien from our Galaxy?
Awarded Sep 30, 2023 at 14:49
How is the Cosmic Microwave Background so big?
Awarded Sep 26, 2023 at 20:18
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