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Astronomy

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Answer a question with score of 1 or more.
Awarded 2516 times.
Are the North Star and the moon ever visible in the night sky at the same time?
Awarded 4 hours ago
Are the North Star and the moon ever visible in the night sky at the same time?
Awarded 8 hours ago
What exactly does $k\sigma$ mean in astrophysics and cosmology?
Awarded Jul 5 at 11:35
Will there be collision between universes?
Awarded Jul 4 at 7:07
What color is the Sky on other Planets?
Awarded Jun 19 at 23:26
Orbit equation solver giving wrong orbits
Awarded Jun 16 at 14:42
Downloadable GCNS (Gaia Catalog of Nearby Stars)
Awarded Jun 13 at 17:48
Is it cheaper to mine raw materials in Antarctica or on the Moon?
Awarded Jun 13 at 15:35
Basics of Tracklet-less Heliocentric Orbit Recovery (THOR) - simple breakdown of how it works?
Awarded Jun 11 at 23:56
Divergence of light rays - parallel approximation
Awarded Jun 9 at 8:18
How are neutrinos able to cause a supernova explosion?
Awarded Jun 6 at 5:04
How can ultraviolet planetary images help us in research?
Awarded Jun 5 at 9:47
Why when i divide the distance of sun to earth by golden ratio, the result starts with the last 5 digits of speed of light?
Awarded Jun 3 at 12:27
python question-discrepancy between number of stars found
Awarded May 25 at 3:26
Is it possible that some "stars" or "black holes" have "wormholes" in their center?
Awarded May 4 at 15:56
Is there any point on earth where the moon stays below the horizon for an extended period of time?
Awarded May 1 at 13:31
How did the ancient cultures determine that the year was actually a fraction of an extra day beyond 365 days?
Awarded Apr 30 at 18:26
How did the ancient cultures determine that the year was actually a fraction of an extra day beyond 365 days?
Awarded Apr 29 at 7:31
C8 Finder Rotates Freely
Awarded Apr 27 at 11:57
Looking for methods to preserve night vision
Awarded Apr 25 at 23:18
Universe Sandbox and Hillsphere calculation (Updated)
Awarded Apr 25 at 4:42
Are these craters on the moon during eclipse
Awarded Apr 20 at 21:05
Why (the heck) is the basic angle of GAIA 106.5°?
Awarded Apr 17 at 5:26
Inconsistency between Horizons data retrieved via Astroquery and Horizons web interface
Awarded Apr 16 at 11:42
What is the apparent size of the Earth and Sun from Moon
Awarded Apr 12 at 8:55
The darkness that is equivalent to the block of 99.5% of the sun
Awarded Apr 10 at 23:43
Black Hole / Hawking Radiation: Why only capture anti-particle?
Awarded Apr 10 at 3:41
Can emergency blanket material be used for making a homemade solar filter for a digital camera?
Awarded Apr 4 at 22:11
Gravitational forces
Awarded Apr 3 at 14:58
Since John Herschel was first to make a photograph on a glass plate in 1839, why was the first astronomical photograph not taken until 1840 by Draper?
Awarded Mar 31 at 22:42
Why is rate of apsidal precession not consistent with the first time derivative of the argument of periapsis
Awarded Mar 25 at 3:04
Can a lunar eclipse happen at night and be followed by a solar eclipse the next day?
Awarded Mar 24 at 20:31
What's the name of outside the cosmic horizon?
Awarded Mar 24 at 5:41
The darkness that is equivalent to the block of 99.5% of the sun
Awarded Mar 22 at 18:56
The darkness that is equivalent to the block of 99.5% of the sun
Awarded Mar 22 at 18:05
At 45°N, how come the Sun rises in a northeasterly direction?
Awarded Mar 22 at 9:51
Why is it ok for people to be saying that dark matter makes up x amount of the universe when we don't know what it is?
Awarded Mar 22 at 8:48
Why is it ok for people to be saying that dark matter makes up x amount of the universe when we don't know what it is?
Awarded Mar 21 at 19:15
At 45°N, how come the Sun rises in a northeasterly direction?
Awarded Mar 21 at 13:43
At 45°N, how come the Sun rises in a northeasterly direction?
Awarded Mar 21 at 13:43
If the Earth is rotating counter clockwise, how does the sun rise from east?
Awarded Mar 21 at 8:35
Why is it ok for people to be saying that dark matter makes up x amount of the universe when we don't know what it is?
Awarded Mar 21 at 7:11
Where is the vernal equinox of Mars located?
Awarded Mar 15 at 14:47
Why wasn't the planet Uranus recognized by ancient cultures?
Awarded Mar 6 at 13:08
Attempting to plot solar terminator using Python and Skyfield library
Awarded Feb 29 at 21:41
Will there be a difference in what can be seen with a 50mm telescope and a 70 or even 80 mm one?
Awarded Feb 28 at 17:46
Unreasonable ratios in astronomy as ways of remembering
Awarded Feb 26 at 13:10
Why don't we just unshift the IR photos from Webb?
Awarded Feb 26 at 6:26
What is the biggest magnitude (faintest light possible) seen by JWST?
Awarded Feb 24 at 17:22
Why don't we just unshift the IR photos from Webb?
Awarded Feb 23 at 20:52
Is there a word for an object orbiting a brown dwarf?
Awarded Feb 22 at 2:18
Light/Dark energy/Dark matter
Awarded Feb 21 at 12:20
Modern equivalent of Astronomical Algorithms by Jean Meeus?
Awarded Feb 21 at 6:50
How to use SExtractor to calculate Petrosian Radius?
Awarded Feb 15 at 19:43
Redshift for gravitational waves?
Awarded Feb 9 at 14:35
Can a quasi-star develop a stable crust?
Awarded Feb 9 at 7:58
Mysterious factor of 30 in Coulomb cross section for electron–electron collisions
Awarded Feb 7 at 19:46
Elevation difference of analemmas' taken at different hours and the reason for the tendency of analemmas' being slanted with deviation from the noon
Awarded Feb 6 at 16:41
(post deleted or otherwise unavailable)
Awarded Feb 6 at 14:04
First photographic image taken with telescopes to produce astronomically useful results? What telescope was used?
Awarded Feb 5 at 9:11
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