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Astronomy

Enlightened

 Enlightened
First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.
Awarded 1104 times.
Can New Horizons be used to measure the distance to Betelgeuse (despite its fickle photocenter)?
Awarded Sep 16, 2021 at 23:12
How do we know distant stars still exist
Awarded Sep 16, 2021 at 19:02
Why can't neutron stars ignite and explode?
Awarded Sep 13, 2021 at 16:36
Can a satellite stay in one place but not above equator?
Awarded Sep 12, 2021 at 13:10
Why is the sun not directly overhead at noon on the March equinox at N 0° 0' 0.00" E 0° 0' 0.00"?
Awarded Sep 3, 2021 at 6:21
Does the average proton/electron density in a neutron star change with mass?
Awarded Sep 1, 2021 at 16:06
Why do we talk about metallicity in stars instead of more specific elements?
Awarded Sep 1, 2021 at 16:06
How many iridium layers do we know, besides the K-Pg one (the dinosaur killer "smoking gun")?
Awarded Aug 27, 2021 at 18:20
How can an area be on the day side 90% of the time?
Awarded Aug 25, 2021 at 9:17
Why nuclear fusion with hydrogen alone, why not with others?
Awarded Aug 24, 2021 at 16:31
Are satellites of trans-Neptunian objects classified as trans-Neptunian objects?
Awarded Aug 21, 2021 at 5:41
Can planetary rings form as a result of solidifed lava thrown up by volcanoes on the surface of small rocky moons/planets?
Awarded Aug 20, 2021 at 22:37
If Theia really crashed into Earth, did it impact Earth's axial tilt?
Awarded Aug 18, 2021 at 18:01
Will interstellar medium slow down the rotation of stars?
Awarded Aug 18, 2021 at 14:11
Why are fewer stars seen next to the horizon?
Awarded Aug 16, 2021 at 6:46
Using masers to measure rotational velocity of a galaxy
Awarded Aug 15, 2021 at 12:56
On what basis is the information about the distance and velocity of the Voyager probes determined?
Awarded Aug 14, 2021 at 7:03
Could there be an eclipse tomorrow if the Pleiades is covered by the Moon tonight?
Awarded Aug 12, 2021 at 20:17
Can an object from a natural process escape earth gravitation?
Awarded Aug 9, 2021 at 18:04
Why were two galaxies named "The Sagittarius Galaxy"? Is this common?
Awarded Aug 4, 2021 at 13:15
Is there a relation between mass, radius, and luminosity in deuterium-burning brown dwarfs?
Awarded Aug 1, 2021 at 0:50
Why are there not yet any instruments dedicated to registering time dilation caused by passing gravitational waves?
Awarded Jul 24, 2021 at 20:18
At what depth on Mars would the atmosphere have equal pressure of that on Earth?
Awarded Jul 23, 2021 at 1:56
Is oxygen an alpha element?
Awarded Jul 22, 2021 at 15:04
Life planets orbiting black-holes. Can/Do they really exist?
Awarded Jul 18, 2021 at 10:13
Straightforward derivation of the sunrise equation
Awarded Jul 12, 2021 at 20:43
What are the benefits of collecting asteroid samples in situ rather than just waiting for bits of asteroids to fall as meteorites?
Awarded Jul 12, 2021 at 9:55
Intuitive explanation of the source of energy that cause Jupiter and Saturn to migrate outward in the Grand Tack Hypothesis?
Awarded Jul 12, 2021 at 4:11
Is there a strong galactic magnetic field?
Awarded Jul 4, 2021 at 18:16
Black Holes: More Than One Entry Point?
Awarded Jul 2, 2021 at 14:55
Will Asteroid (2021 LD6) be visible to the naked eye?
Awarded Jun 29, 2021 at 19:57
Are there non-rotating objects in the universe?
Awarded Jun 28, 2021 at 10:10
Why doesn't the Sun wobble towards Jupiter instead of away from Jupiter?
Awarded Jun 27, 2021 at 11:57
Are there only $10^{83}$ atoms in the universe?
Awarded Jun 26, 2021 at 17:36
If we replaced the Moon with Ceres, how close would Ceres have to orbit to cause the same tides?
Awarded Jun 23, 2021 at 10:05
Undiscovered dwarf planets
Awarded Jun 21, 2021 at 1:40
Order of shells formed in a massive star
Awarded Jun 20, 2021 at 11:15
How do astronomers calculate the period about the wave motion of the solar system in the Milky Way?
Awarded Jun 20, 2021 at 0:12
Why does the solar analemma have a strange shape on Jupiter?
Awarded Jun 16, 2021 at 8:27
How are constellations intact if the stars are rotating around galactic nuclei?
Awarded Jun 13, 2021 at 12:36
Is it suspicious that gravitational waves propagate at the speed of light?
Awarded Jun 10, 2021 at 19:11
What are the chances of a star colliding with another during a galactic collision?
Awarded Jun 6, 2021 at 17:35
How can the (in my eyes quite ridiculous) conjecture of Sheldrake be disproven?
Awarded Jun 6, 2021 at 4:51
How long was the HST initially supposed to work?
Awarded Jun 5, 2021 at 16:20
Why is Proxima Centauri called Proxima Centauri?
Awarded Jun 1, 2021 at 20:56
How loud was the asteroid that killed the dinosaurs?
Awarded May 27, 2021 at 3:31
Will just a glimpse (less than a second) of sun during partial solar eclipse damage eyes?
Awarded May 26, 2021 at 15:11
What is the application of pseudorandomness in astrophysics?
Awarded May 25, 2021 at 5:35
Why was there a gap in the number of asteroid detections between 1807 and 1845?
Awarded May 24, 2021 at 16:15
Use MOXIE on Earth
Awarded May 22, 2021 at 6:41
Hydrogen burning vs Hydrogen fusing
Awarded May 21, 2021 at 21:26
Does the galaxy look like a Web or a Tree?
Awarded May 21, 2021 at 1:35
How distorted will our galaxy be if we are viewing it from several thousand light years away?
Awarded May 18, 2021 at 14:11
Can you see something active in the sky apart from satellites? Can there be amateur time-domain astronomy?
Awarded May 17, 2021 at 16:46
Why do we believe that the super massive black holes at the centers of two merging galaxies would themselves merge?
Awarded May 16, 2021 at 22:32
How hard is it to find the Sun's "sisters?"
Awarded May 14, 2021 at 15:33
How are black holes doors to other universes?
Awarded May 12, 2021 at 21:05
What is the angular diameter of Earth as seen from the Moon?
Awarded May 10, 2021 at 12:22
Can Newton's gravity equation explain why black holes are so strong?
Awarded May 10, 2021 at 3:25
Confused about rubber sheet analogy!
Awarded May 8, 2021 at 14:07
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