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Astronomy

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earned this badge 431 times.
How high does the ocean tide rise every 90 minutes due to the gravitational pull of the space station?
Awarded yesterday
When a star becomes a black hole do the neutrons that are squeezed together release binding energy and if so does this energy escape from the hole?
Awarded Sep 3 at 17:02
References about neutrinos getting clumped in "structures" in the future?
Awarded Aug 11 at 8:57
Why is the completely dark disk of the Moon visible on a new moon if the lunar orbit is at an angle to the Earth’s?
Awarded Aug 10 at 22:35
Solar System Replacement?
Awarded Aug 8 at 14:10
Can it be predicted if an Interstellar Object will get bound to the solar system by knowing its speed and direction?
Awarded Aug 5 at 22:52
Newtonian vs General Relativistic light deflection angle
Awarded Aug 5 at 17:10
Why is said that H-alpha emission lines are stronger than the other of the Balmer series?
Awarded Aug 4 at 6:40
What is a Primordial binary?
Awarded Jul 30 at 12:46
In the onion-like elemental layers of a large mature star the neon is closer to the surface than oxygen, even though it is more massive... Why?
Awarded Jul 15 at 13:11
Are there really half-a billion visible supernovae exploding all the time?
Awarded Jun 24 at 19:55
Is Earth's Atmospheric Thickness Related to Cosmic Ray Radiation?
Awarded Jun 12 at 20:56
Why do stars usually stop fusion at iron, even though nickel-62 has the highest binding energy per nucleon?
Awarded Jun 8 at 15:07
How are neutrinos able to cause a supernova explosion?
Awarded Jun 7 at 10:20
Vera C. Rubin's LSST's ginormous camera's shutter; why does it open/close 1000 times a night & is this typical for large-format survey telescopes?
Awarded Jun 3 at 20:02
How many individual extrasolar "shiny" objects has humanity identified?
Awarded Jun 1 at 13:57
Why are the magnetic poles of a pulsar so far off the rotational axis, yet stable?
Awarded May 26 at 23:25
Why do we want to normalize the solar abundance of elements to Si?
Awarded May 19 at 0:02
Why do larger mass stars form quicker?
Awarded May 15 at 20:32
Why does metallicity increase the opacity inside stars?
Awarded May 9 at 18:56
How do K, F, A and B stars die?
Awarded May 7 at 12:58
How did the ancient cultures determine that the year was actually a fraction of an extra day beyond 365 days?
Awarded Apr 30 at 6:30
Why is the metallicity of dwarf galaxies low?
Awarded Apr 29 at 15:26
Why are the solar prominences visible during a total solar eclipse - orange? Is the sun orange?
Awarded Apr 12 at 21:26
Why is it ok for people to be saying that dark matter makes up x amount of the universe when we don't know what it is?
Awarded Mar 24 at 0:46
Earth is Tilted, but in reference to What Object / relative to what?
Awarded Mar 23 at 23:47
Where in a star are the spectral absorption lines formed?
Awarded Mar 19 at 17:33
Why does nuclear fusion generate heat?
Awarded Mar 19 at 14:15
Is the mechanism of solar flares on red dwarfs and brown dwarfs the same as that on the Sun?
Awarded Mar 11 at 11:57
Multiply Earth's orbital speed with square root of 2
Awarded Mar 10 at 14:55
Why don't we just unshift the IR photos from Webb?
Awarded Feb 26 at 23:10
Is it coincidence that the earth's rotation and revolution are in the same direction?
Awarded Feb 25 at 20:21
Safest Place on Earth from Falling Meteorites
Awarded Feb 14 at 1:07
How would radiation pressure inside of the Sun affect an indestructible person?
Awarded Feb 5 at 12:06
How are we observing the newly discovered "dark galaxy" J0613+52, if it has no stars and is so far away from other galaxies?
Awarded Jan 28 at 21:41
Within the Milky Way, how much helium is made each second?
Awarded Jan 27 at 18:04
What are the most up to date, accepted, evolution stages of big stars that end in compact objects or a planetary nebula?
Awarded Jan 19 at 22:42
Why has Saturn stopped contracting gravitationally?
Awarded Dec 14, 2023 at 19:56
Does the expansion and contraction of a variable star affect the measured radial velocity?
Awarded Dec 7, 2023 at 14:41
The star that created our sun
Awarded Dec 4, 2023 at 21:36
Why does lithium fuse at lower temperatures than hydrogen?
Awarded Nov 29, 2023 at 16:32
Why is it impossible to infer the surface temperature of Venus by spectroscopy observation from earth?
Awarded Nov 25, 2023 at 22:21
Why did the dust between the planets disappear during the birth of the solar system?
Awarded Nov 22, 2023 at 10:25
A mysterious signal at 14.2054 µHz
Awarded Nov 12, 2023 at 16:32
Does the escape velocity formula take into account how a gravitationally bound object's distance to its primary increases before coming back down?
Awarded Nov 12, 2023 at 11:06
Joseph Weber's aluminum cylinder
Awarded Nov 9, 2023 at 2:36
Distance of the Crab nebula and the speed of light
Awarded Nov 6, 2023 at 10:49
Why would rocky earth-like planets be rare around white dwarf stars?
Awarded Nov 5, 2023 at 11:04
Gravitational field for oblate spheroid?
Awarded Nov 3, 2023 at 15:58
Which place in the world should be best for astronomy with an optical telescope?
Awarded Oct 25, 2023 at 18:01
Are there plans to detect life on Earth from the outer solar system?
Awarded Oct 25, 2023 at 15:38
What's the reason for the hollow region in Oort cloud?
Awarded Oct 19, 2023 at 15:52
How do Spiral Galaxies become flat?
Awarded Oct 18, 2023 at 16:21
Are gravitational waves emitted equally in all directions?
Awarded Oct 13, 2023 at 16:02
Could a galaxy be the sun of a planet?
Awarded Oct 12, 2023 at 0:36
How can telescopes see anything at all?
Awarded Oct 11, 2023 at 8:56
Why is Mercury's orbit so unusual?
Awarded Oct 4, 2023 at 20:47
How is dark matter different from ordinary (visible) matter?
Awarded Oct 4, 2023 at 3:00
How to describe the Sun's location to an alien from our Galaxy?
Awarded Sep 30, 2023 at 14:58
How do stars 1 billion times the volume of our sun form and can they become black holes?
Awarded Sep 29, 2023 at 7:47
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