Astronomy

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Awarded 3008 times.
Is the center of our galaxy, the Sagittarius A* black hole a former star?
Awarded yesterday
How to find the resolution of a spectrum?
Awarded May 22 at 13:21
What does it mean for something to be optically thick to pair production?
Awarded May 22 at 9:05
Why not building a swarm of space-telescopes?
Awarded May 21 at 20:48
Why haven’t we observed supernova events of the hypothetical population III stars?
Awarded May 20 at 8:57
Medium sized Black Holes
Awarded May 18 at 17:34
Why are photos from telescope stretched at their edges?
Awarded May 16 at 3:40
Why do sunrise/sunset times (for a given location) vary based on the source of the data?
Awarded May 16 at 0:20
Are Right Ascension and Declination from an "inside" perspective?
Awarded May 15 at 16:11
SAO Encyclopedia of Astronomy information
Awarded May 15 at 13:05
Is the appearance of accretion disks of M87 and Sgr A* in EHT image, related to the nucleus being active or non-active?
Awarded May 14 at 22:05
Wouldn't our own EM emissions be hiding the best places to look for signs of intelligent life?
Awarded May 14 at 17:58
Calculate how many days left for synodic period from particular planet
Awarded May 14 at 15:55
Black hole magnification factor
Awarded May 5 at 1:41
What is the relationship between the shape of the analemma and the sun's azimuth at sunset at a given latitude?
Awarded May 4 at 23:20
What is being said here about the strange precession of DI Herculis?
Awarded May 4 at 11:34
Can gravitation waves break Solar System equilibrium?
Awarded May 4 at 8:33
Dates of Passage of Neptune at Aphelion and Perihelion
Awarded May 3 at 20:20
Can I ever reach the singularity in a black hole? [closed]
Awarded May 3 at 6:58
Why aren't reflector telescopes built with an offset secondary mirror?
Awarded May 3 at 4:56
Is there a Lagrange point between the earth and the moon?
Awarded May 1 at 22:26
In the observed cosmic rays resulting from a supernova, can we expect electrons to arrive before protons?
Awarded Apr 28 at 4:51
Do any equivalent of Lagrange points exist between galaxies?
Awarded Apr 27 at 21:47
Determining when the sun shines on different sides of a building using astropy
Awarded Apr 26 at 20:51
When was/will Polaris's declination be maximised?
Awarded Apr 26 at 2:21
Expansion rate of an infinite universe at the Big Bang
Awarded Apr 22 at 5:00
When measuring the spectrum of an object at the zenith, is it better to orient the spectroscopic slit N-S of E-W?
Awarded Apr 21 at 15:06
Doubt regarding size and shape of black hole images published by the Event Horizon Telescope (EHT)
Awarded Apr 19 at 11:52
What stars am I seeing in the daytime?
Awarded Apr 17 at 14:51
Earth’s rotation speed vs rate of lunar cycle
Awarded Apr 14 at 19:06
Is there a word or short phrase that denotes the apparently moving part of the lunar limb?
Awarded Apr 14 at 17:51
Where can I find online-available datasets for the KIC 8462852?
Awarded Apr 12 at 17:57
Using optical fibers in astronomy
Awarded Apr 12 at 7:21
How to build an adjacency matrix of stars connectivity from their physical kpc distances?
Awarded Apr 11 at 20:50
Camera settings for Astrophotography
Awarded Apr 11 at 14:16
Is an extreme precession on a tidally locked planet possible?
Awarded Apr 11 at 12:35
How does general relativity explain gravity?
Awarded Apr 11 at 11:18
How do you tell if a variable star is periodic or not by its light curve?
Awarded Apr 10 at 17:17
Compute Distance Between Stars
Awarded Apr 10 at 11:50
Is there any well-populated list or database of pulsar "glitches"?
Awarded Apr 4 at 17:32
What conditions are necessary for the sun to look [as described below]
Awarded Apr 4 at 14:03
How much larger will the "observable by us" universe be when JWST becomes operational?
Awarded Apr 3 at 20:00
What is this 877-year cycle in the orbits of Jupiter & Saturn, and this multimillion-year cycle in the lunar orbit?
Awarded Mar 30 at 4:05
Radial velocity stability to spectrum shift calculation
Awarded Mar 30 at 0:55
It takes light roughly 8 minutes to travel to Earth from the Sun, but based on which perspective?
Awarded Mar 29 at 4:05
Strange plot in Max Tegmark book, Our Mathematical Universe
Awarded Mar 28 at 6:25
Why isn't Spring equinox on 1st of April?
Awarded Mar 27 at 8:56
How far can the best telescope see in outer space from Earth?
Awarded Mar 26 at 4:27
Are Buckyball-sized black holes possible?
Awarded Mar 24 at 20:46
How to convert spectra to log-wavelength and interpolate them into linear spacing in log-wavelength
Awarded Mar 21 at 12:34
Earth-Moon Barycenter Perihelion
Awarded Mar 20 at 18:55
If planets are ellipsoids why don't we have 3 diameters?
Awarded Mar 19 at 17:47
How can I calculate my position (lat/lon) given a sequence of solar-elevation measurements at known times?
Awarded Mar 19 at 5:26
Why does the alignment evaluation image from JWST look like this?
Awarded Mar 18 at 7:46
How to phase fold data when periodicity change is known as d$\omega$/d$t$?
Awarded Mar 18 at 6:06
How can I measure the angle between two stars?
Awarded Mar 17 at 14:00
Is there a consistent missing mass ratio for Galaxy Clusters?
Awarded Mar 15 at 11:06
lunar calendar accuracy for predicting new moons
Awarded Mar 13 at 12:03
Units for orbital period and gravitational constant
Awarded Mar 8 at 11:20
Is one transit enough to be confident that we detected an exoplanet
Awarded Mar 6 at 21:25
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