Astronomy Beta

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 Revival
Answer more than 30 days after a question was asked as first answer scoring 2 or more. This badge can be awarded multiple times.
Awarded 329 times.
Assumptions necessary for the strong form of Olber's Paradox
Awarded Mar 26 at 18:45
Is there a stellar database that indicates how long ago stars in our Galaxy formed?
Awarded Mar 23 at 7:45
How would a small TCO (temporarily captured orbiter) or other natural Earth satellite most likely be detected?
Awarded Mar 20 at 0:55
Is it possible to predict a supernova with years or decades of advanced notice?
Awarded Mar 5 at 20:50
Which direction does the Earth face as it travels through the Galaxy
Awarded Feb 29 at 1:25
When exactly star Sirius shines into the queen's chamber of Great Pyramid?
Awarded Feb 26 at 18:20
Anecdote of an astronomer looking for correlations in antipodal pairings of stars; what am I remembering?
Awarded Feb 26 at 9:50
What do the fusing 'onion layers' of a pre-supernova star look like to scale?
Awarded Feb 23 at 10:45
The recent results on Hubble constant measurements
Awarded Feb 23 at 0:00
“Pluto Time” for any solar system body
Awarded Feb 20 at 2:50
Determination of High-Accuracy Distances of Terrestrial Planets from the Sun
Awarded Feb 15 at 6:10
How do you draw the ecliptic on a celestial sphere sketch?
Awarded Feb 12 at 15:20
How to calculate the pixel size and beam size of an image?
Awarded Feb 2 at 15:35
As the Universe expands, do things like planets expand also, or just the space in between?
Awarded Jan 31 at 4:35
Grammar of stellar classification
Awarded Jan 30 at 4:30
How would astronomical seeing on Mars differ from that on Earth?
Awarded Jan 29 at 17:30
How does the black hole at the center of M87 look like in the visible spectrum?
Awarded Jan 19 at 21:45
What object could I have seen at late June on the Sky?
Awarded Jan 14 at 15:30
The colour of blue dwarf stars
Awarded Jan 13 at 15:00
How much volume of gases could be added to Mars atmosphere that the planet gravity can retain?
Awarded Jan 7 at 12:15
Total rotational angular momentum estimates for Jupiter?
Awarded Jan 1 at 7:15
Which approximations are required for the synodic period formula?
Awarded Dec 28 '19 at 8:45
Before Voyager 2, what were the highest quality photos of Uranus and Neptune?
Awarded Dec 24 '19 at 1:05
Is it “weird” that all disc galaxies rotate once every billion years?
Awarded Dec 8 '19 at 13:55
Why is there free magnesium in the ecliptic (if there is) and why would some be orbiting within the ecliptic plane but retrograde?
Awarded Nov 30 '19 at 10:00
Is there a database of all known star names/identifiers?
Awarded Nov 26 '19 at 15:45
How many GAIA Data Release 2 files are there?
Awarded Nov 26 '19 at 14:55
Why is the magnetic reconnection(of sun) effect many orders of magnitude faster than predicted by standard models?
Awarded Nov 21 '19 at 6:10
Can satellites travel in clusters?
Awarded Nov 19 '19 at 17:10
How do I calculate B-V to make a Hertzsprung Russell diagram?
Awarded Nov 1 '19 at 20:55
How impermeable are the surfaces of the moon?
Awarded Oct 4 '19 at 2:20
What are iron stars?
Awarded Sep 27 '19 at 15:40
What object in the universe is most opaque to neutrinos?
Awarded Sep 11 '19 at 12:50
What percentage of Helium-3 is primordial vs produced in stars
Awarded Sep 10 '19 at 23:30
How can we calculate velocity of an object given the distance from an object in parsecs?
Awarded Sep 7 '19 at 6:00
Core collapse supernova vs Neutron Star
Awarded Sep 4 '19 at 21:25
What lens should I use for my Raspberry Pi?
Awarded Sep 4 '19 at 4:05
What would it feel like to be orbiting near a merging black hole?
Awarded Sep 2 '19 at 0:45
Expected nature of LISA's data; will it be more like a forest of static peaks, or a series of individual events?
Awarded Aug 30 '19 at 10:25
VSOP for exosatellites? (Io, Titan, Ariel, etc)
Awarded Aug 19 '19 at 16:10
Error when calculating Alt/Az from Ra/Dec
Awarded Aug 19 '19 at 8:05
How do astronomers convert radio signals received by their antenna to images?
Awarded Aug 13 '19 at 13:10
Could a closely orbiting pulsar be used to study a black hole?
Awarded Aug 9 '19 at 13:25
How was all the matter curled up inside a singularity during big bang ?
Awarded Jul 2 '19 at 13:10
What is the closest one could get to a black hole and still stand a _realistic_ chance of escape?
Awarded Jun 29 '19 at 22:45
Star rotational axes and Solar system orientations
Awarded Jun 26 '19 at 23:05
Why do planets and satellites in the Solar system look so wildly different if they came from more or less the same matter?
Awarded Jun 25 '19 at 22:00
The battle over Gliese 581 and Gliese 667C?
Awarded Jun 16 '19 at 13:45
How uniformly is cometary debris distributed along the entire orbit of the comet?
Awarded Jun 6 '19 at 18:40
What factors influence the Widmanstätten pattern in iron meteorites?
Awarded Jun 5 '19 at 23:20
Assuming a sufficient amount of mass above the density threshold, does the actual concentration of the mass matter in creating a black hole?
Awarded Jun 3 '19 at 19:55
How can GAIA's accuracy for position, parallax, and annual proper motion for a given star be the same number?
Awarded Jun 3 '19 at 7:55
What is a possible software for simulating binary star systems?
Awarded Jun 1 '19 at 19:45
Is it true that the sun goes down to the west?
Awarded May 24 '19 at 18:10
highspeed black holes or neutron stars on (almost) head-on collision course and kinetic energy
Awarded May 22 '19 at 13:10
Temperature of Earth if tidal locked with the Sun?
Awarded May 21 '19 at 13:15
Could Ganymede's aurora be seen with the naked eye?
Awarded May 16 '19 at 21:50
What is the radiant intensity of the celestial sphere?
Awarded May 15 '19 at 22:20
Is atmospheric turbulence irrelevant for ExoPlanetary transits and radial velocity measurments?
Awarded May 15 '19 at 17:20
Filling the Roche Lobe
Awarded May 10 '19 at 3:45
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