Astronomy Beta

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Awarded 2798 times.
Task about equinox and upper culmination
Awarded Jul 23 at 15:41
Why are there not yet any instruments dedicated to registering time dilation caused by passing gravitational waves?
Awarded Jul 23 at 14:25
What is the probability of life having developed or going to develop in our solar system another time?
Awarded Jul 23 at 5:34
If a black hole was headed for our solar system and would arrive within a year, would we necessarily know of it?
Awarded Jul 20 at 17:57
If a black hole was headed for our solar system and would arrive within a year, would we necessarily know of it?
Awarded Jul 20 at 6:40
What is the (overall) half-mass radius of Milky Way
Awarded Jul 20 at 4:42
Formula to calculate round-trip travel time based on current distance to far-away galaxy
Awarded Jul 19 at 19:46
What it the outer part of the sun, that we see with our eyes, called?
Awarded Jul 19 at 19:19
Is a Hertz ratio to 65M ☉ proof that Betelgeuse had a core collapse in 1491 from a gravitational wave on January 14, 2020? [closed]
Awarded Jul 19 at 7:27
Virgin Galactic's and Blue Origin's Space Flights - are these just Extended Skydiving in an Enclosure? [closed]
Awarded Jul 19 at 2:31
How should I draw the horizon on a sky map?
Awarded Jul 18 at 16:34
derivation of binary mass function for eccentric orbit
Awarded Jul 18 at 3:52
Could rogue planets harbor life?
Awarded Jul 15 at 21:19
How can a black hole have a charge, or be charged?
Awarded Jul 14 at 18:56
Is there a complete guide on how to use telescopes?
Awarded Jul 13 at 15:05
(post deleted or otherwise unavailable)
Awarded Jul 13 at 0:07
Radial velocities - wings and core
Awarded Jul 11 at 8:10
(post deleted or otherwise unavailable)
Awarded Jul 10 at 23:18
Dark Matter Density Parameter Variation
Awarded Jul 9 at 2:48
Will the detection of colliding neutron stars by LIGO help answer the question of where heavy elements came from?
Awarded Jul 8 at 11:56
What exactly is the orbital period value of Sirius binary star system?
Awarded Jul 7 at 15:50
Estimate the shape of an object based on flux curve
Awarded Jul 6 at 1:04
How to extract galaxy spectra for different radii in Python for spectra taken by long slit spectrograph?
Awarded Jul 5 at 5:46
Can dark matter be normal matter after all? [duplicate]
Awarded Jul 3 at 16:43
(post deleted or otherwise unavailable)
Awarded Jul 3 at 9:06
(post deleted or otherwise unavailable)
Awarded Jul 3 at 8:48
How to solve numerical problems based on diurnal parallax method (formulas, examples and calculations)?
Awarded Jul 3 at 7:05
Can the pebbles growth model be applied to the rotations of planetary systems? [duplicate]
Awarded Jul 2 at 22:01
Black Holes: More Than One Entry Point?
Awarded Jul 2 at 6:20
Are these Jupiter's moons?
Awarded Jun 30 at 0:43
How to find the scale factor on given time in the future if initial distance between source and destination is known
Awarded Jun 29 at 17:42
If I was in a coma and woke up at night in the desert, what knowledge would I know instantly and after 30 days?
Awarded Jun 29 at 13:04
Can violet astronomical objects exist?
Awarded Jun 29 at 11:57
What if there was an asteroid belt with the mass of a planet?
Awarded Jun 28 at 11:10
Are there only $10^{83}$ atoms in the universe?
Awarded Jun 28 at 9:17
Can galaxies move faster than light? [duplicate]
Awarded Jun 28 at 7:20
Why is it strange that outer stars in a galaxy are travelling with the same speed as inner while the total mass is also increasing?
Awarded Jun 28 at 3:22
How can there only be “11 phonons” in the mirrors of LIGO interferometers?
Awarded Jun 27 at 22:36
(post deleted or otherwise unavailable)
Awarded Jun 24 at 9:52
What is the sun's maximum influence on a magnetic object?
Awarded Jun 22 at 23:33
If we replaced the Moon with Ceres, how close would Ceres have to orbit to cause the same tides?
Awarded Jun 22 at 16:40
Understanding conversion to angular diameter
Awarded Jun 22 at 16:21
Spaghettification of hard-things/Elements
Awarded Jun 22 at 7:56
Star brightness data to study exoplanets with the transit method?
Awarded Jun 17 at 8:48
Can we learn anything from the chaotic movement of Hydra and Nix?
Awarded Jun 16 at 5:41
How are constellations intact if the stars are rotating around galactic nuclei?
Awarded Jun 15 at 23:31
(post deleted or otherwise unavailable)
Awarded Jun 12 at 3:48
Can the transit of satellite in front of Sun be visible in 10-inch telescope?
Awarded Jun 11 at 6:46
Does black hole singularity really exists with respective to relative frame of reference? [duplicate]
Awarded Jun 11 at 3:11
If the hypothesized planet behind the Kuiper belt existed, would it have a barycenter outside the Sun?
Awarded Jun 9 at 17:55
Why doesn't the Sun produce an emission spectrum?
Awarded Jun 9 at 17:19
What are the differences between astronomy and cosmology?
Awarded Jun 7 at 4:35
(post deleted or otherwise unavailable)
Awarded Jun 6 at 18:05
In any particular space or universe, is the shape of its metric the same as the shape of its geodesic (perhaps the sum of its geodesics)?
Awarded Jun 5 at 23:38
What would be the electric potential and the energy produced in a cable connecting two electronic devices on the magnetic poles of the earth? [closed]
Awarded Jun 5 at 18:40
Basic, learning examples of applications of CFD and MHD in astrophysics, and current research directions using these techniques?
Awarded Jun 5 at 15:40
Orbital resonances - expansion of disturbing function
Awarded Jun 5 at 9:51
Why are helium resonance lines called “resonance lines”?
Awarded Jun 4 at 19:11
How can the (in my eyes quite ridiculous) conjecture of Sheldrake be disproven? [closed]
Awarded Jun 4 at 15:47
Was there a formula-first hypothesis for gravity?
Awarded Jun 4 at 15:11
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