Astronomy Beta

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 1446 times.
Exactly how does Canis Minor look like a dog?
Awarded 12 hours ago
Which lens is right to see which planets with an Orion StarSeeker 150 mm?
Awarded 16 hours ago
Why doesn't Titan have a carbon dioxide atmosphere?
Awarded yesterday
Why isn't Earth tidally locked to the sun?
Awarded 2 days ago
Why does the Moon stablize Earth's axis?
Awarded 2 days ago
How did Astronomers deduce that the Sun was not a ball of fire?
Awarded May 25 at 7:10
Why moon sighted only in Kerala but not in rest of India?
Awarded May 24 at 9:51
Why does the Parker Solar Probe slow down as the distance from the Sun increases?
Awarded May 23 at 12:43
How Soon Could a Waxing Crescent Moon Be Seen?
Awarded May 23 at 12:26
Why does Io cast a hard shadow on Jupiter, but the Moon casts a soft shadow on Earth?
Awarded May 23 at 11:43
Does the new moon appear at the same time around the world or in one region last [duplicate]
Awarded May 23 at 8:32
Is it possible that Mercury was originally the moon of Venus after a giant impact?
Awarded May 23 at 3:46
Why do shooting stars burn close to the ground sometimes?
Awarded May 19 at 2:33
Closest star system to Alpha Centauri?
Awarded May 18 at 17:42
Can you create an orbit in a space station using balls?
Awarded May 18 at 14:33
When did people first measure that the Earth was closest to the Sun during January?
Awarded May 17 at 17:19
Effect of the absence of atmospheric refraction to sun rise and sunset times
Awarded May 17 at 14:57
Why wasn't there any oxygen in the beginning of the Earth? [closed]
Awarded May 16 at 19:51
Understanding The Turnover Point of Angular Diameter Distance
Awarded May 16 at 16:07
Correct relation between metallicity (z) and iron content ([Fe/H])
Awarded May 16 at 14:16
Is it possible to detect gravitational lensing behind the Moon?
Awarded May 16 at 10:26
Why are there so few supernovae in M31 (Andromeda)?
Awarded May 15 at 19:10
At what size do objects burn up in the atmosphere when falling from orbit?
Awarded May 14 at 2:42
'Very High Noon' - Sun directly overhead
Awarded May 12 at 20:42
What's the difference between the apparent horizon and event horizon of a black hole?
Awarded May 12 at 20:36
Was there ever a Jupiter transit or Saturn transit?
Awarded May 12 at 2:48
Is Jupiter a failed star?
Awarded May 11 at 11:03
How does the Grand Tack Hypothesis explain how Jupiter formed inside the frost line?
Awarded May 11 at 11:03
How did Jupiter form where it is?
Awarded May 11 at 8:04
What effect does time dilation have on bodies orbiting close to Black Holes?
Awarded May 10 at 14:08
What does the Sun look like from Eris at its aphelion?
Awarded May 10 at 6:33
How to calculate the angle formed between 2 planets?
Awarded May 9 at 11:04
Are white dwarf stars supported by proton degeneracy as well?
Awarded May 7 at 16:09
Calculate eclipse days and duration of satellite
Awarded May 7 at 10:20
What is the probability of seeing a neutron star as a pulsar?
Awarded May 6 at 23:57
What happens if two or three stars collide with each other?
Awarded May 6 at 20:12
What do we mean by Sunrise and Sunset?
Awarded May 6 at 17:37
Why doesn’t the Sun fill the sky on Mercury?
Awarded May 6 at 14:23
Does the Earth orbiting around the Earth-Moon barycenter cause a measurable centrifugal force?
Awarded May 6 at 1:22
During solar eclipses on Jupiter, can the moon(s)' shadow(s) on the surface be seen from Earth with a telescope?
Awarded May 5 at 20:51
Statistically, what would the average distance of the closest black hole be?
Awarded May 4 at 2:45
Why don’t supergiants at least start to fuse nickel into even heavier elements before going supernova?
Awarded May 4 at 2:20
radial velocity fitting of a binary
Awarded May 3 at 16:21
Photographing Venus with a phone through a telescope
Awarded May 2 at 2:04
Cosmological redshift and comparing past galaxy sizes
Awarded May 1 at 21:05
What makes a flying object keep moving with the Earth's rotation? [closed]
Awarded May 1 at 11:06
How complicated is the heating of meteors?
Awarded May 1 at 9:03
B-V to U-B colour index
Awarded Apr 30 at 22:26
Conversion between Astronomical Frames, ex. IRCF, FK5, FK4, etc…
Awarded Apr 30 at 10:17
When did astronomy first discover that the stars are bigger than the moon?
Awarded Apr 30 at 0:11
“How the Universe Works”: is it scientifically accurate? [closed]
Awarded Apr 28 at 22:42
Determining the extinction by counting stars?
Awarded Apr 28 at 6:16
How old would I be if I travelled 1000 light years in one year
Awarded Apr 28 at 2:11
Is there an online planetarium where the observer is on another celestial body?
Awarded Apr 27 at 12:50
Are there any electrons inside the sun / a star?
Awarded Apr 26 at 19:34
So where are these measurements of galaxies moving faster than light?
Awarded Apr 25 at 20:42
Astronomy as a profession for moderately good software engineer [closed]
Awarded Apr 25 at 1:00
How can comets have tails if there's no air resistance in space?
Awarded Apr 24 at 11:28
How much light does Jupiter project onto the surface of Ganymede?
Awarded Apr 24 at 5:18
Calculating Local Sidereal Time [duplicate]
Awarded Apr 23 at 18:48
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