Astronomy

Notable Question

 Notable Question
Question with 2,500 views. This badge can be awarded multiple times.
Awarded 1469 times.
Counting from the 21st century forward, what place on Earth will be last to experience a total solar eclipse?
Awarded Nov 9, 2022 at 15:55
How far apart can two people watch the moon simultaneously?
Awarded Nov 8, 2022 at 22:00
Time according to the gravity of Sagittarius A*?
Awarded Nov 8, 2022 at 18:25
When the moon eclipses the sun what direction is darkened first: left or right?
Awarded Nov 8, 2022 at 11:32
What is the difference between New Moon day and Lunar Eclipse?
Awarded Nov 8, 2022 at 8:36
Relation between angular resolution and aperture?
Awarded Nov 8, 2022 at 1:50
Calculating the Angular Momentum of a planet
Awarded Nov 7, 2022 at 17:28
What is the final destiny of a neutron star?
Awarded Nov 3, 2022 at 5:41
What are the black spots/blobs in JWST Jupiter's images?
Awarded Nov 2, 2022 at 14:31
Could an asteroid knock the moon out of its orbit?
Awarded Nov 1, 2022 at 23:46
What is the likelyhood that planet X is a glass (not a typo for gas) planet? What would it mean if it were for what we know of astronomy?
Awarded Nov 1, 2022 at 6:43
Why are the Pillars of Creation pillar-shaped?
Awarded Oct 26, 2022 at 8:50
Burning Out Stars
Awarded Oct 21, 2022 at 10:33
Why aren't globular clusters disk shaped
Awarded Oct 21, 2022 at 8:26
Is there an example of a star that is already dead, but can still be seen on Earth?
Awarded Oct 20, 2022 at 21:27
Collision of asteroid and gaseous planet - what would happen
Awarded Oct 20, 2022 at 20:58
How much light would be received on a rogue planet close to the galactic center?
Awarded Oct 19, 2022 at 15:56
Why does time get slow near a black hole? [closed]
Awarded Oct 19, 2022 at 6:32
How are people converting intensities in Janskys to Kelvin?
Awarded Oct 18, 2022 at 18:10
Why does any planet look like a (not so) big white ball through my telescope?
Awarded Oct 18, 2022 at 3:55
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 17, 2022 at 15:10
What is the shape and size of a gamma ray burst?
Awarded Oct 17, 2022 at 8:00
Why does the Milky Way appear to form an arch shape across the sky?
Awarded Oct 12, 2022 at 22:35
What are the minimum element requirements for a star?
Awarded Oct 12, 2022 at 16:26
What happens when the quasar remnants reach Earth in 3 million years?
Awarded Oct 11, 2022 at 5:02
Do these results mean that I have found this exoplanet?
Awarded Oct 11, 2022 at 3:55
Can you explain the pattern of Hill sphere sizes of the objects of the Solar system?
Awarded Oct 10, 2022 at 8:21
How did the Milky Way quasar not disrupt life on Earth?
Awarded Oct 10, 2022 at 1:26
How Soon Could a Waxing Crescent Moon Be Seen?
Awarded Oct 8, 2022 at 14:31
What is that donut-shaped object I see in my telescope? [duplicate]
Awarded Oct 7, 2022 at 23:36
What is the highest resolution image of the moon taken from Earth's surface?
Awarded Oct 7, 2022 at 20:45
Is it possible for the Milky Way and Andromeda to get ejected upon colliding instead of merging?
Awarded Oct 4, 2022 at 19:26
Shouldn't all moon orbits be inherently unstable?
Awarded Oct 4, 2022 at 2:05
How far from Betelgeuse is its habitable zone?
Awarded Oct 4, 2022 at 1:42
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 3, 2022 at 18:17
How would ocean tides work on a tidally-locked planet?
Awarded Sep 30, 2022 at 13:56
Can the Earth be seen from the moon when we have a total lunar eclipse at the perigee?
Awarded Sep 29, 2022 at 22:48
Is Pluto still a dwarf planet?
Awarded Sep 28, 2022 at 17:21
very bright white star before sunrise
Awarded Sep 26, 2022 at 12:20
Why do we use the value 206265 in the small angle formula?
Awarded Sep 26, 2022 at 1:41
Has NASA released any JWST images of Trappist-1? If not, why?
Awarded Sep 21, 2022 at 22:36
How does the Moon move in the "night" sky as seen from the poles?
Awarded Sep 18, 2022 at 5:41
How many undiscovered planets might be in our solar system?
Awarded Sep 13, 2022 at 14:48
Why are almost all modern telescopes reflectors?
Awarded Sep 13, 2022 at 8:20
Can a very powerful telescope show a person standing on the moon from the side rather than from directly overhead?
Awarded Sep 12, 2022 at 17:17
How did water get on Earth
Awarded Sep 12, 2022 at 14:42
How to align equatorial mount in the Southern Hemisphere?
Awarded Sep 10, 2022 at 23:18
How many of the whole zodiac constellations can be seen in one single night?
Awarded Sep 8, 2022 at 12:56
Which (if any) space telescope would have worked longer if it hadn't simply run out of helium?
Awarded Sep 7, 2022 at 10:21
How was the distance from the Earth to the Sun determined
Awarded Sep 7, 2022 at 4:56
Why does iron consume more energy in the fusion process than it produces?
Awarded Sep 4, 2022 at 20:05
How bright is it on Pluto in the middle of the day? [duplicate]
Awarded Sep 4, 2022 at 12:27
How do we know that light is redshifted/blueshifted and not the original light of a star/galaxy? [duplicate]
Awarded Sep 2, 2022 at 19:04
How did the lighter elements end up in the center of the solar system? Solar System Formation
Awarded Sep 2, 2022 at 13:27
Can the Earth be used as a gravitational lens?
Awarded Sep 2, 2022 at 7:10
What will happen if a black hole appears near our solar system?
Awarded Sep 1, 2022 at 3:41
Can I measure the moon's gravity?
Awarded Sep 1, 2022 at 2:08
How can I identify if my stone is meteorite?
Awarded Aug 31, 2022 at 12:01
How do telescopes "zoom" and change angle of view?
Awarded Aug 31, 2022 at 7:06
Can a planet have more that one ring? [duplicate]
Awarded Aug 30, 2022 at 1:35
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