Astronomy Beta

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Answer a question with score of 1 or more.
Awarded 1984 times.
What eyepiece to use for moon?
Awarded yesterday
How are constellations intact if the stars are rotating around galactic nuclei?
Awarded Jun 15 at 18:05
Did the night sky ever change in recorded history?
Awarded Jun 15 at 18:05
extracting visibility information from CASA measurement set
Awarded Jun 14 at 12:26
(post deleted or otherwise unavailable)
Awarded Jun 7 at 10:57
(post deleted or otherwise unavailable)
Awarded Jun 6 at 7:26
Was there a formula-first hypothesis for gravity?
Awarded Jun 4 at 19:48
Could a planetary system have a planet in its center?
Awarded Jun 4 at 7:10
What is the lower limit of a coronal mass ejection?
Awarded Jun 2 at 10:06
Could Enceladus be too salty to support life?
Awarded Jun 2 at 2:41
Why do heavy mid-sized stars become more luminous as they leave the subgiant branch entering the red-giant branch?
Awarded Jun 1 at 10:57
Difference between J2000, FK5 and ICRS coordinate systems? Which one does the Yale Bright Star Catalog use?
Awarded May 27 at 3:04
Where does the Solar System end?
Awarded May 25 at 9:57
What's the fastest moving object in the universe?
Awarded May 24 at 21:17
Seeming conflict between most distant objects and age of universe (both estimated)
Awarded May 24 at 17:10
If months are based on the moon, then why are the months longer in the Gregorian calendar than lunation?
Awarded May 24 at 12:27
If months are based on the moon, then why are the months longer in the Gregorian calendar than lunation?
Awarded May 24 at 12:27
How are the solar flares from May 23, 2021 extraordinary?
Awarded May 24 at 3:50
How long do other planets in our solar system have total solar eclipses?
Awarded May 22 at 3:08
Use MOXIE on Earth
Awarded May 21 at 9:11
How can a supermassive black hole cause so much energy to enlighten its matter when its massive gravity prevents light to escape?
Awarded May 19 at 23:12
Why are helium resonance lines called “resonance lines”?
Awarded May 19 at 13:46
Can you see something active in the sky apart from satellites? Can there be amateur time-domain astronomy?
Awarded May 17 at 16:30
Why do small mirror imperfections matter with modern computers
Awarded May 17 at 0:40
Terrestrial Exoplanet Skies – I've Built a Visual Sky Chart. Is it Accurate?
Awarded May 15 at 21:25
How does gravity affect a physical clock?
Awarded May 14 at 12:36
Why is magnitude of Beta Lyrae given as 30.0 in Henry Draper catalog?
Awarded May 13 at 1:41
How is the difference of bolometric magnitudes not dependent on the stars' radii?
Awarded May 12 at 12:32
Using parallax to find distance to the moon
Awarded May 11 at 7:56
Can Newton's gravity equation explain why black holes are so strong?
Awarded May 10 at 14:34
Can Newton's gravity equation explain why black holes are so strong?
Awarded May 10 at 9:41
(post deleted or otherwise unavailable)
Awarded May 10 at 5:35
(post deleted or otherwise unavailable)
Awarded May 9 at 7:12
What exactly is space-time fabric?
Awarded May 2 at 14:30
Nodal Precession of Planets
Awarded May 2 at 14:30
Why are Shack-Hartmann sensors so expensive (4k+ USD)?
Awarded Apr 28 at 21:00
Closest stable orbit about the sun of an asteroid?
Awarded Apr 26 at 7:21
What would a kHz gravitational wave detector look like? (mountains on millisecond magnetars) How would it differ from LIGO/Virgo?
Awarded Apr 24 at 0:42
Why is Starlink polluting the night sky a big concern if we have space telescopes?
Awarded Apr 22 at 1:57
(post deleted or otherwise unavailable)
Awarded Apr 21 at 1:06
Plotting Equatorial coordinates to X,Y plane (simulating telescope/camera view)
Awarded Apr 21 at 0:54
Could liquid water have existed in open space 15 million years after the Big Bang?
Awarded Apr 16 at 14:48
Can you recommend a book about big bang nucleosynthesis and chemical abundances?
Awarded Apr 14 at 13:52
I'm having trouble achieving sharp telescope focus
Awarded Apr 14 at 4:59
(post deleted or otherwise unavailable)
Awarded Apr 13 at 21:38
Can Hawking Radiation ever be detected and does it exist?
Awarded Apr 13 at 12:34
Why can't we use the semi-minor axis in Kepler's third law?
Awarded Apr 10 at 18:26
Estimating close approach between all asteroids themselves
Awarded Apr 9 at 12:16
Has anyone back-calculated previous close encounters between the Apophis asteroid and Earth?
Awarded Mar 31 at 10:46
Why would it be very light out at 3 AM?
Awarded Mar 29 at 7:42
Why would it be very light out at 3 AM?
Awarded Mar 29 at 0:07
What’s an Earth-Sun-Moon eclipse called?
Awarded Mar 28 at 19:41
How would the temperature on earth be if the sun was slightly more or less powerful?
Awarded Mar 28 at 6:08
How was the distance from the Earth to the Sun determined
Awarded Mar 27 at 11:01
How to compute for Distance Modulus' uncertainty/ies?
Awarded Mar 22 at 18:06
Lightkurve nan values after bin light curve
Awarded Mar 17 at 17:32
Interstellar Dust properties
Awarded Mar 15 at 23:49
Maritime telescopes: Stabilisation requirements for optical vs. radio telescopes?
Awarded Mar 15 at 1:04
Could we carve a large radio dish in the Antarctic ice?
Awarded Mar 14 at 21:47
How accurately could late 50s - early 60s humans have mapped the solar system?
Awarded Mar 14 at 18:25
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