Astronomy

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Awarded 3517 times.
How does metallicity change the mass-radius and mass-luminosity relations in main-sequence stars?
Awarded 4 hours ago
What were these lights in a line in the sky? [duplicate]
Awarded yesterday
What is the ring of light around the moon and which star seen near it?
Awarded 2 days ago
(post deleted or otherwise unavailable)
Awarded Nov 26 at 2:43
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Awarded Nov 25 at 23:17
What is the ring of light around the moon and which star seen near it?
Awarded Nov 25 at 16:08
Is the difference of redshift parameter z able to prove expansion is accelerating in flat FLRW universe model?
Awarded Nov 25 at 14:48
Why is space having no atmosphere a good explanation for the Olber's paradox?
Awarded Nov 23 at 14:07
Gravitational waves vs. "normal gravity"
Awarded Nov 21 at 15:55
Where can I get historical data of tropical longitude of Delta Cancri
Awarded Nov 20 at 8:33
Moon path diagram for a location
Awarded Nov 19 at 13:57
Could the human body feel the sudden disappearance or end of a gravitational force?
Awarded Nov 17 at 9:42
Does the reflected light from Earth boost Venus' apparent magnitude when it is seen transiting the Sun?
Awarded Nov 16 at 14:55
Can black holes even exist [if mass cannot be retained near the collapse threshold]?
Awarded Nov 13 at 7:41
How deep is the "A" Fraunhofer line in the solar spectrum? Is it from the Sun's or Earth's atmosphere?
Awarded Nov 12 at 10:55
Confusion about the position of lunar perigee
Awarded Nov 10 at 18:25
Why did Theia create only one moon if it struck Earth?
Awarded Nov 7 at 18:04
How long would we survive an approaching neutron star?
Awarded Nov 7 at 14:00
JWST Early Black Holes: Gas Collapsed To Metallic Hydrogen Core?
Awarded Nov 6 at 1:45
A mysterious signal at 14.2054 µHz
Awarded Nov 5 at 12:42
What is the distance between Stephenson 2-18 and Earth?
Awarded Nov 4 at 21:33
Distance of the Crab nebula and the speed of light
Awarded Nov 4 at 15:42
The Poynting Robertson Effect
Awarded Nov 4 at 8:17
Correct longitude from longitude over 180°
Awarded Nov 3 at 21:25
is there anything that might cause a planet to stop getting sunlight permanently, or to only have light infrequently? (on the whole planet or part)?
Awarded Nov 1 at 19:55
What is a good book to learn about the fall of Geocentrism?
Awarded Oct 30 at 23:42
Does the Oort cloud have any large holes in it and if not does this mean nothing large has entered the solar system for a long time?
Awarded Oct 29 at 16:36
Betelgeuse, placing light bulb so that its apparent brightness is similar to that of Betelgeuse; wavelength where it shines brightest?
Awarded Oct 29 at 10:51
How can the new moon set before the sun, as will happen in some locales on November 13, 2023?
Awarded Oct 29 at 3:11
Strange, bright, circling object in the sky
Awarded Oct 28 at 1:09
Why does the planet Saturn have numerous (62) moons compared to the rest of the planets in the Solar System?
Awarded Oct 27 at 7:49
Why does the sun appear on the screen behind an eyepiece when doing solar projection?
Awarded Oct 25 at 14:42
Why celestial bodies crossing prime vertical are the best to measure for astronavigational purpose?
Awarded Oct 25 at 4:04
Moon's libration from Mathematica data
Awarded Oct 24 at 8:20
Comet and eclipse
Awarded Oct 22 at 6:40
Formula to Determine When a Target Reaches a Specific Altitude
Awarded Oct 20 at 17:41
Are there really confined Globular Clusters?
Awarded Oct 20 at 15:06
How much does the eccentricity of EARTH'S orbit effect the length of the synodical lunar month?
Awarded Oct 18 at 9:56
What's the reason for the hollow region in Oort cloud?
Awarded Oct 16 at 19:42
How much of the surface of other planets is lit by the sun?
Awarded Oct 16 at 14:04
(post deleted or otherwise unavailable)
Awarded Oct 16 at 3:46
Will Lunar Months be the same length Millions of Years in the Future?
Awarded Oct 15 at 21:48
Understanding the Julian Date equation in detail
Awarded Oct 15 at 19:15
How can telescopes see anything at all?
Awarded Oct 13 at 9:41
Are gravitational waves emitted equally in all directions?
Awarded Oct 11 at 23:17
How can telescopes see anything at all?
Awarded Oct 11 at 15:10
(post deleted or otherwise unavailable)
Awarded Oct 10 at 14:21
Difference in results between JPL Horizons and cspice (rust-spice)
Awarded Oct 9 at 16:33
is there any site with historical radiotelescope data about observations 21 cm line Hydrogen (1.42 GHz)?
Awarded Oct 8 at 19:16
(post deleted or otherwise unavailable)
Awarded Oct 7 at 15:42
Measuring magnitudes in ds9
Awarded Oct 6 at 19:17
Get Moon libration data from JPL Horizons
Awarded Oct 6 at 15:12
Why is Mercury's orbit so unusual?
Awarded Oct 5 at 11:51
Can there be multiple periapsides?
Awarded Oct 4 at 12:25
Formula for "gravity assist"
Awarded Sep 30 at 14:32
Identify the bright object to the left of the moon
Awarded Sep 29 at 23:42
From an outsider's perspective, how can a black hole grow if nothing ever crosses the event horizon?
Awarded Sep 29 at 17:52
How do stars 1 billion times the volume of our sun form and can they become black holes?
Awarded Sep 29 at 17:33
How to describe the Sun's location to an alien from our Galaxy?
Awarded Sep 29 at 13:05
Could 99942 Apophis break up due to Earth's gravity during 2029 flyby?
Awarded Sep 25 at 16:47
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