Astronomy Beta

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Answer a question with score of 1 or more.
Awarded 1804 times.
Absorption of light by matter
Awarded 8 hours ago
problems finding rise set and transit times at high latitudes using Meeus' algorithms
Awarded 2 days ago
Gift for 16 year old Aspiring astrophysicist,,,,
Awarded 2 days ago
If the Moon were impacted by a suitably sized meteor, how long would it take to impact the Earth?
Awarded 2 days ago
How to calculate the point on the globe with maximum magnitude with given Besselian elements and given time for a partial solar eclipse?
Awarded Oct 24 at 2:56
Why did the big bang not just produce a big black hole?
Awarded Oct 23 at 12:20
Is gravitational lensing a good way to search for negative mass?
Awarded Oct 23 at 9:19
Strange Sighting, Help Needed!
Awarded Oct 23 at 6:05
How to plot celestial equator in galactic coordinates? Why does my plot appear “backwards”?
Awarded Oct 21 at 9:21
If any object could become a black hole, could any object become a neutron star?
Awarded Oct 20 at 7:40
(post deleted or otherwise unavailable)
Awarded Oct 19 at 1:47
Retrofitting a DSLR camera to a super-cheap Tasco reflector telescope
Awarded Oct 19 at 1:47
Do celestial objects need to be big to have liquid water on their surfaces?
Awarded Oct 13 at 15:10
What are hot and cold stellar systems?
Awarded Oct 11 at 16:17
How does one “use” the Pan-Starrs data?
Awarded Oct 9 at 22:42
What is the area of the Summer Triangle?
Awarded Oct 8 at 22:12
What powered the Big Bang?
Awarded Oct 5 at 19:06
Data to “check” Kepler’s first law
Awarded Oct 4 at 20:36
Does Halley's Comet travel past the outer bounds of the Oort Cloud?
Awarded Oct 2 at 0:01
Are there lightning bolts on Mars?
Awarded Oct 1 at 21:36
When did telescopes become available?
Awarded Sep 29 at 14:03
How to isolate H$_\alpha$ from Nitrogen doublet emission lines
Awarded Sep 28 at 6:21
Why aren't there blue elliptical galaxies or yellow spiral galaxies?
Awarded Sep 28 at 1:35
Why are the time zones calculated as 360°/24 and not 361°/24 or 360°/23.933?
Awarded Sep 27 at 9:27
How do we weigh a planet?
Awarded Sep 27 at 8:54
Moving from mathematics to astronomy/astrophysics
Awarded Sep 25 at 7:18
What was the field of view of the Ohio State University Radio Observatory of Wow! signal fame?
Awarded Sep 24 at 14:46
How exactly does Hawking radiation decrease the mass of black holes?
Awarded Sep 24 at 12:56
Can you simulate artificial gravity by using an electromagnetic field?
Awarded Sep 23 at 19:07
What other hints of possible life in Venusian atmosphere have we dismissed?
Awarded Sep 21 at 8:50
Apparent magnitude of Milky Way?
Awarded Sep 20 at 7:17
Could an impact have resurfaced Venus 300 million years ago?
Awarded Sep 19 at 8:36
Is there a possibility of finding a system where a star is orbiting a planet?
Awarded Sep 17 at 11:01
Was the Geocentric Model correct at all?
Awarded Sep 17 at 1:42
Phosphine on Venus?
Awarded Sep 16 at 8:56
(post deleted or otherwise unavailable)
Awarded Sep 15 at 22:21
How long between the moment a meteor is first visible and the moment a meteorite hits the ground?
Awarded Sep 15 at 15:17
Problem regarding the absorption lines of the sun
Awarded Sep 13 at 22:36
Does the axial tilt of Mercury and Venus vary?
Awarded Sep 12 at 15:50
Can concentration of gas in exoplanet atmosphere be found out from wavelength and absorbing radius from spectral data?
Awarded Sep 12 at 12:34
What is the escape velocity of our Galaxy relative to?
Awarded Sep 11 at 3:05
What are GEODEs?
Awarded Sep 9 at 21:12
How is the Universe's Expansion Accelerating if the Hubble Constant is Decreasing?
Awarded Sep 9 at 15:41
What fraction of galaxies host active galactic nuclei?
Awarded Sep 9 at 15:41
(post deleted or otherwise unavailable)
Awarded Sep 9 at 4:56
How would a retrograde satellite experiencing tidal deceleration affect the rotation of the primary?
Awarded Sep 8 at 0:36
Has THC been detected in space?
Awarded Sep 3 at 14:51
How is the Universe's Expansion Accelerating if the Hubble Constant is Decreasing?
Awarded Sep 3 at 11:32
How can I crop a fits file and get correct WCS header info without a new plate solve and WITHOUT USING PYTHON?
Awarded Sep 3 at 6:12
What is the difference between $E_\gamma$ and $E_{\gamma,iso}$ in gamma ray bursts?
Awarded Sep 1 at 12:03
How do satellites impede current telescopes?
Awarded Aug 31 at 23:47
Looking for a detailed Milky Way map?
Awarded Aug 30 at 0:31
Looking for a detailed Milky Way map?
Awarded Aug 28 at 14:12
At what distance could a supernova damage the Earth's ozone layer?
Awarded Aug 27 at 1:35
How to find RA 0
Awarded Aug 23 at 11:22
Determine spectral type of star from its properties
Awarded Aug 20 at 5:06
Apparent Centering Problem When Using the Perifocal System to Draw Orbital Ellipses
Awarded Aug 19 at 1:11
Is there an optimum orbit for a Hipparcos/Gaia-like parallax observatory
Awarded Aug 18 at 22:41
How to calculate a planet's current position within the solar system
Awarded Aug 18 at 11:58
(post deleted or otherwise unavailable)
Awarded Aug 17 at 17:05
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