Astronomy Beta

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 1709 times.
Are there any stars that orbit perpendicular to the Milky Way's galactic plane?
Awarded yesterday
How to convert ra&dec between different epoches?
Awarded yesterday
What time and where on earth is the latest solar noon?
Awarded yesterday
Why aren't neutron stars full of dark matter?
Awarded 2 days ago
Is it at all possible for the sun to revolve around as many barycenters as we have planets in our solar system?
Awarded 2 days ago
Why can't stars be multicolored like gas giants?
Awarded Jan 13 at 14:33
Is there a webpage that shows the night sky but can filter out dim stars?
Awarded Jan 13 at 2:15
Why can't we determine the center of the universe [duplicate]
Awarded Jan 11 at 14:48
Is it possible for planetary rings to be perpendicular (or near perpendicular) to the planet's orbit around the host star?
Awarded Jan 11 at 11:03
What Constellation Is This? (Photo Included)
Awarded Jan 11 at 9:06
Why do massive stars not undergo a helium flash
Awarded Jan 9 at 2:55
Trying to categorize moon phase using fraction illuminated
Awarded Jan 7 at 19:56
Do Stars in Galaxies also move in elliptical orbits?
Awarded Jan 6 at 4:02
Visibility of earth from moon during day-time of moon
Awarded Jan 5 at 7:35
Is there any way for a planet orbiting a red dwarf in the habitable zone to not be tidally locked?
Awarded Jan 5 at 1:25
Why does this graph for sunlight intensity on land has a steeper slope during sunrise as compared to sunset?
Awarded Jan 5 at 0:42
Is there an upper limit to the mass of terrestrial planets?
Awarded Jan 4 at 20:25
If nothing travels at the speed of light, except light, how can a black hole also pull light into itself?
Awarded Jan 4 at 19:05
Can there be planets, stars and galaxies made of dark matter or antimatter?
Awarded Jan 4 at 14:03
How does gravity affect the wavelength of light?
Awarded Jan 2 at 17:05
Why smaller black holes are considered to be more dangerous than bigger black holes?
Awarded Jan 1 at 17:20
Do Pluto and Charon have unusual Lagrange points?
Awarded Dec 30 '20 at 21:35
How do I apply a velocity shift to a wavelength array with uniform logarithmic spacing?
Awarded Dec 30 '20 at 18:17
Vacuum of space [closed]
Awarded Dec 30 '20 at 15:27
Why are most discovered exoplanets heavier than Earth?
Awarded Dec 29 '20 at 17:40
Are there equations to simulate creation of a solar system?
Awarded Dec 29 '20 at 16:57
How to calculate declination of Moon?
Awarded Dec 29 '20 at 14:36
Is the Moon not in hydrostatic equilibrium?
Awarded Dec 29 '20 at 3:32
Can the Sun become a big ball of gold atoms?
Awarded Dec 28 '20 at 4:07
How did the Ancients understand the ecliptic using the Ptolemaic system
Awarded Dec 25 '20 at 23:17
Does a parabolic trajectory really exist in nature?
Awarded Dec 24 '20 at 6:35
Are the Jupiter-Saturn conjunctions and winter solstice related?
Awarded Dec 23 '20 at 21:55
Are there any Stars we know don't have planets?
Awarded Dec 23 '20 at 3:51
What is exactly the “longitude of the perigee”
Awarded Dec 22 '20 at 19:47
What is the equation of state for a relativistic fluid/gas?
Awarded Dec 21 '20 at 23:45
How rare are earth-like solar eclipses?
Awarded Dec 21 '20 at 20:15
Why is today the shortest day but the solstice is actually tomorrow?
Awarded Dec 21 '20 at 20:10
What's the terminology of a meteor “ditch” when impact happens at an angle?
Awarded Dec 21 '20 at 3:27
Eclipses with SkyField
Awarded Dec 20 '20 at 8:41
Difference between zone time and local sidereal time?
Awarded Dec 19 '20 at 10:25
Does this photo show the “Little Dipper” and “Big Dipper”?
Awarded Dec 17 '20 at 16:10
Why is there no color shift on the photo of the M87 black hole?
Awarded Dec 17 '20 at 15:35
Does anything orbit the Sun faster than Mercury?
Awarded Dec 17 '20 at 12:56
How could the universe be a few light years across just 1 second after the big bang?
Awarded Dec 17 '20 at 11:02
Electron Degeneracy Pressure and the Pauli Exclusion Principle
Awarded Dec 17 '20 at 9:28
Where did the hydrogen come from in a type II supernova?
Awarded Dec 16 '20 at 16:56
What causes the Earth to have gravity?
Awarded Dec 15 '20 at 0:45
Observatories that allow public access
Awarded Dec 14 '20 at 20:56
Is it possible to do planet observation during the day?
Awarded Dec 14 '20 at 19:07
How do we calculate the image circle of a telescope at prime focus?
Awarded Dec 14 '20 at 8:42
Metallicity of Celestial Objects: Why “Metal = Non-metal”?
Awarded Dec 14 '20 at 2:10
How do you mount these binoculars and telescope on this tripod?
Awarded Dec 13 '20 at 18:46
Whats the farthest distance a spacecraft has been detected (except by radio)
Awarded Dec 13 '20 at 10:01
How many light years away is Earth from the closest outer edge of the black hole at the center of the Milky Way?
Awarded Dec 12 '20 at 1:25
What spectral type of star has an absolute magnitude of exactly 0?
Awarded Dec 11 '20 at 14:28
How does the earth's plane of orbit (ecliptic) vary over time?
Awarded Dec 10 '20 at 3:56
Best approximation for Sun's trajectory around galactic center?
Awarded Dec 9 '20 at 21:36
When and where are Pluto and Neptune closest to each other?
Awarded Dec 9 '20 at 11:33
Do the axes of rotation of most stars in the Milky Way align reasonably closely with the axis of galactic rotation?
Awarded Dec 9 '20 at 9:56
Is there any role today that would justify building a large single dish radio telescope to replace Arecibo?
Awarded Dec 8 '20 at 12:26
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