Astronomy Beta

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 2043 times.
How else can a star form, other than gravitational collapse?
Awarded 17 hours ago
Finding the radius of a star in arcsec
Awarded 20 hours ago
Exoplanet dip in transit light curve when the planet passes behind the star
Awarded 22 hours ago
What is the bulk Lorentz factor?
Awarded yesterday
Is it possible to see Saturn from Titan's surface, day and night?
Awarded yesterday
Will Earth rotate backwards in the future?
Awarded yesterday
How high does light pollution reach into the sky?
Awarded 2 days ago
How much light would be reflected from Jupiter to Europa (in Europas night)?
Awarded Oct 19 at 13:32
How do Lagrange points L2 and L3 form?
Awarded Oct 18 at 17:25
What is the most accurate measurement of the Astronomical Unit?
Awarded Oct 18 at 12:49
How would water waves behave in partial gravity?
Awarded Oct 17 at 0:08
Can earth escape sun's gravity with the help of a black hole heading towards our solar system?
Awarded Oct 16 at 6:21
How fast will the sun grow when it becomes a red giant?
Awarded Oct 15 at 21:42
How would a Fast Fourier Transform Telescope work without a mirror, dish or lenses?
Awarded Oct 12 at 12:04
Why is our Sun hotter than UY Scuti?
Awarded Oct 12 at 8:42
How long is the Sun closer to Earth then Mars is?
Awarded Oct 12 at 1:50
Gaia Gbp - Grp: why does it get larger as star gets redder?
Awarded Oct 11 at 17:27
Word for blue ring around the Earth
Awarded Oct 11 at 13:52
How to determine the ellipticity of galaxies in SDSS
Awarded Oct 11 at 2:50
How do you draw the ecliptic on a celestial sphere sketch?
Awarded Oct 6 at 19:10
If a satellite is put into the same orbit of the Sun as Earth, how does it avoid hitting Earth?
Awarded Oct 6 at 12:08
Why do we use the value 206265 in the small angle formula?
Awarded Oct 6 at 3:36
Will there be collision between universes?
Awarded Oct 3 at 22:42
Why is it strange that outer stars in a galaxy are travelling with the same speed as inner while the total mass is also increasing?
Awarded Oct 3 at 12:35
I am beginner here.Could any one please suggest telescope on AliExpress [closed]
Awarded Oct 3 at 5:56
What precisely leads to planets like COCONUTS-2b to orbit so far away from their host stars, 6000 AU in its case?
Awarded Sep 30 at 21:31
A vertical stick's shadow at solar noon should be straight north/south, right?
Awarded Sep 29 at 22:27
How long does an over contact binary star system last?
Awarded Sep 29 at 21:55
Is a black hole a three-dimensional or four-dimensional object? [closed]
Awarded Sep 29 at 17:36
Can Eight Retrograde (seen from Earth) planets occur?
Awarded Sep 29 at 8:50
What is k2, how does it relate to Io's volcanism and how can Juno constrain its value?
Awarded Sep 28 at 15:45
Mechanism for Brown Dwarf Fusion
Awarded Sep 26 at 20:15
How to determine the eccentricity, knowing the orbital speed and distance
Awarded Sep 25 at 16:56
Could there really be a preferential direction to the speed of light?
Awarded Sep 25 at 10:25
Do comet orbits lie in the same plane as the other planets?
Awarded Sep 24 at 2:32
Where did Mars' water go?
Awarded Sep 23 at 22:46
Can you tell me which star this is?
Awarded Sep 23 at 17:02
Why is the L3 Lagrangian point not perfectly stable? And why is the Earth-Sun L3 point a bit less than one A.U.?
Awarded Sep 21 at 15:06
why hasn't Nasa gone back to our Moon? [closed]
Awarded Sep 21 at 12:56
Will new stars stop forming at some point of time?
Awarded Sep 20 at 19:55
Can earth grazers skip on the atmosphere more than once?
Awarded Sep 20 at 3:56
Are these parallel lines I'm seeing in this image a real pattern on the Moon?
Awarded Sep 18 at 4:36
Why the comets can cross the orbits of planets?
Awarded Sep 16 at 18:42
How can we know if a star which is visible in our night sky goes supernova?
Awarded Sep 16 at 17:41
Why can't observatories just stop capturing for a few seconds when Starlink satellites pass though their field of view?
Awarded Sep 14 at 13:15
Is Jupiter warming the Earth? (Earth, Sun Jupiter system)
Awarded Sep 13 at 11:36
What are the correct symbols for vernal and autumnal equinox?
Awarded Sep 13 at 4:41
Can a star eat a black hole?
Awarded Sep 12 at 18:56
Can a satellite stay in one place but not above equator? [closed]
Awarded Sep 12 at 17:56
Can Earth host another natural satellite than the Moon?
Awarded Sep 12 at 16:42
What's the meaning of virial in Astronomy, and in particular the expression "a virialized cluster of galaxies"?
Awarded Sep 11 at 13:11
Calculating the Angular Momentum of a planet
Awarded Sep 11 at 4:15
Julian Day Calculation
Awarded Sep 10 at 20:16
What exactly is 'eastward movement'
Awarded Sep 10 at 17:26
Where can I find permissibly licensed database of stars and constellations?
Awarded Sep 10 at 13:36
What would I see with a telescope of 70mm aperture , 300mm focal length and maximum magnification of 150x
Awarded Sep 10 at 9:55
Milky Way vs Milky Way Galaxy
Awarded Sep 10 at 9:27
Is expanding universe adding potential energy?
Awarded Sep 10 at 3:09
What's the percentage of strange matter inside a star at any time?
Awarded Sep 8 at 9:18
Can an observer on Earth only see half of the sky?
Awarded Sep 7 at 3:51
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