Astronomy Beta

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 1816 times.
Will Starlink deface the night sky?
Awarded 13 hours ago
Why is Starlink polluting the night sky a big concern if we have space telescopes?
Awarded yesterday
Why do some electromagnetic waves continue travelling while others disappear?
Awarded yesterday
Why did astronomers believe most or all stellar black holes had masses no greater than 15 solar masses?
Awarded yesterday
Distance of a planet to the star?
Awarded 2 days ago
How hard is it to find the Sun's “sisters?”
Awarded Apr 16 at 18:25
What is the object in this photo?
Awarded Apr 14 at 14:49
Could liquid water have existed in open space 15 million years after the Big Bang?
Awarded Apr 14 at 10:59
How do we know which elements are in a galaxy spectra?
Awarded Apr 13 at 6:12
What would the sun look like from aphelion of The Goblin's orbit?
Awarded Apr 13 at 0:31
Is there a closest free-return trajectory to a black hole?
Awarded Apr 12 at 19:47
Question about the Figure-eight periodic planar three-body motion
Awarded Apr 12 at 14:04
What would the Sun be like if nuclear reactions could not proceed via quantum tunneling?
Awarded Apr 12 at 5:55
Why can't we use the semi-minor axis in Kepler's third law?
Awarded Apr 10 at 20:17
Why isn't most hydrogen in the universe molecular (diatomic), instead of atomic (monoatomic)?
Awarded Apr 9 at 6:41
Calculating the distance of objects using the Gaia DR1
Awarded Apr 8 at 22:41
Does General Relativity really predict Black Holes?
Awarded Apr 8 at 13:42
How does gravity affect pressure under water?
Awarded Apr 8 at 0:50
Would a spacecraft just go “through” a gas giant?
Awarded Apr 7 at 19:55
Does bending of light around the Sun depend on the wavelength?
Awarded Apr 6 at 7:46
Do heavier elements breakdown during supernova?
Awarded Apr 6 at 0:41
Is S2 still the fastest known star in the galaxy?
Awarded Apr 4 at 9:17
Emulation of an Orrery
Awarded Apr 3 at 4:26
Origin of heavier elements on earth?
Awarded Apr 3 at 2:03
What is the longest natural bound orbit chain observed?
Awarded Apr 2 at 7:35
Calculating area of visible sky
Awarded Mar 31 at 22:11
Tables of aphelion/perihelion dates for other planets?
Awarded Mar 31 at 15:04
Are there any galaxies visible in the night sky around the Orion constellation?
Awarded Mar 29 at 20:40
Has anyone back-calculated previous close encounters between the Apophis asteroid and Earth?
Awarded Mar 29 at 17:20
Why do sun spots appear near the equator of the Sun?
Awarded Mar 29 at 17:12
Why would it be very light out at 3 AM?
Awarded Mar 29 at 0:25
What is the orbital period of our sun around its barycenter?
Awarded Mar 27 at 1:43
What do astronomers do different now that they know about fusion of the Sun? [closed]
Awarded Mar 25 at 0:08
Would Hubble Space Telescope improve black hole image observed by EHT if it joined array of telesopes?
Awarded Mar 24 at 18:12
How can astronomers pinpoint the location of the source of a neutrino?
Awarded Mar 24 at 0:49
What would change if Venus rotated at a speed and direction similar to Earth?
Awarded Mar 23 at 18:48
Why won't the Sun set for days at N66.2 which is below the arctic circle?
Awarded Mar 23 at 14:18
Formation of elements in the Sun other than helium
Awarded Mar 22 at 16:25
If GRB 080319B happened next to nearest star: Proxima Centauri, what effect would that have had on us?
Awarded Mar 21 at 22:11
Replacing Meade ETX with computerized mount
Awarded Mar 20 at 21:10
What exactly does outer space contain?
Awarded Mar 20 at 0:41
Python: Find brightest pixel in fits-file and ignore brighter artefacts
Awarded Mar 18 at 9:21
Reflector vs refractor in terms of magnification, which one wins?
Awarded Mar 18 at 3:50
Why is right ascension measured on a 24 hour scale rather than a 23 hours and 56 minutes scale?
Awarded Mar 17 at 20:05
How do the orbits of Nu Scorpii and AR Cassiopeiae work?
Awarded Mar 17 at 7:40
How to convert from Cartesian J2000 coordinates to Cartesian Galactic coordinates?
Awarded Mar 16 at 14:56
Has anyone ever tried to make a simple telescope using ice?
Awarded Mar 16 at 14:56
Can I learn astrophysics and astronomy with my basic math?
Awarded Mar 16 at 13:04
If we found evidence of life on Mars, how would we know that it originated on Mars rather than Earth?
Awarded Mar 15 at 5:21
Could we carve a large radio dish in the Antarctic ice?
Awarded Mar 14 at 21:20
Quasar mass and accretion rates
Awarded Mar 13 at 23:08
Could there be dark matter black holes?
Awarded Mar 13 at 16:25
What's the map on Sheldon & Leonard's refrigerator of?
Awarded Mar 13 at 5:10
Does a meteor's direction change between country or latitude?
Awarded Mar 11 at 11:51
Why do stars rotate slower than they're expected to?
Awarded Mar 9 at 22:47
Gravitational red shift vs Doppler redshift: Is the universe really expanding?
Awarded Mar 8 at 18:52
Function for current distance between in light-seconds between Mars and Earth
Awarded Mar 8 at 0:42
Why objects are uniquely defined by their right ascention and declination?
Awarded Mar 5 at 14:30
Why can I see sometimes a horizontal half moon instead of a vertical one?
Awarded Mar 5 at 2:36
When was the term “orbit” (in the modern sense) first used and by whom?
Awarded Mar 4 at 21:26
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