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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.
If planets are ellipsoids why don't we have 3 diameters?
Awarded Mar 21, 2022 at 20:34
(post deleted or otherwise unavailable)
Awarded Mar 20, 2022 at 14:03
Why does the alignment evaluation image from JWST look like this?
Awarded Mar 18, 2022 at 11:10
How can I measure the angle between two stars?
Awarded Mar 17, 2022 at 14:10
Could dark energy be negative gravity?
Awarded Mar 15, 2022 at 10:03
If the Sun was replaced with a sun-mass black hole, would it be visually detectable?
Awarded Mar 4, 2022 at 16:35
Have we observed any static neutron stars?
Awarded Mar 3, 2022 at 15:26
What have I encountered here?
Awarded Feb 26, 2022 at 17:21
What happened to the reemitted photons during recombination?
Awarded Feb 24, 2022 at 16:26
How is the star 'Spica' pronounced?
Awarded Feb 23, 2022 at 11:10
Why is the L1 point (Lagrange) almost 1 million miles from Earth? Shouldn't it be closer to us?
Awarded Feb 23, 2022 at 0:36
Daylight hours on Titan?
Awarded Feb 21, 2022 at 17:37
Are there ways to estimate size of the "whole universe"?
Awarded Feb 21, 2022 at 10:11
What does par. lines mean in relation to a telescope aperture in 19th century German astronomical publications?
Awarded Feb 10, 2022 at 0:52
Can we estimate the orbital period of the planet Phaeton (destroyed planet between Mars and Jupiter)?
Awarded Feb 9, 2022 at 16:55
Why does a mirror bent 'like a potato chip' allow space telescopes to be smaller and have a wider field of view?
Awarded Feb 7, 2022 at 18:35
Is it possible to have a stable 3 body system that orbits in a perfect circle?
Awarded Feb 6, 2022 at 15:27
Why are most planetary orbits nearly circular
Awarded Feb 4, 2022 at 7:51
Will the James Webb Space Telescope be visible from earth?
Awarded Jan 29, 2022 at 14:06
Why there are no terrestrial planets with a subsurface ocean?
Awarded Jan 26, 2022 at 23:10
Why will HD 84406 be chosen as the first target for testing JWST?
Awarded Jan 26, 2022 at 20:56
Which planet came first in our Solar system?
Awarded Jan 25, 2022 at 3:56
14,000 square degrees
Awarded Jan 17, 2022 at 10:11
Question: By design, JWST cannot observe in the anti-sun direction. Is this due to Gegenschein backscatter?
Awarded Jan 15, 2022 at 2:06
Define stellar metallicity
Awarded Jan 1, 2022 at 17:11
How long would it take to realize there are "star-like objects" (i.e. planets) that change position in respect to the "fixed stars"?
Awarded Dec 30, 2021 at 16:26
Is there permanent dry ice on Mars?
Awarded Dec 30, 2021 at 12:40
Why was the Cosmic Microwave Background (CMB) released at a blackbody temperature of 3000K rather than 30,000K?
Awarded Dec 27, 2021 at 22:02
How close to escape velocity are most Oort-cloud comets?
Awarded Dec 25, 2021 at 0:20
How can we tell that the Milky Way is a spiral galaxy?
Awarded Dec 23, 2021 at 18:57
Whats the deal with black holes and "no information from inside the event horizon can leave"?
Awarded Dec 22, 2021 at 23:25
How do you propagate asymmetric errors? (on the practical way to...)
Awarded Dec 15, 2021 at 19:55
Exposure details for this now (in)famous image from Lowell Observatory?
Awarded Dec 13, 2021 at 6:47
(post deleted or otherwise unavailable)
Awarded Dec 12, 2021 at 17:41
Why do satellites appear as streaks in telescope images?
Awarded Dec 11, 2021 at 15:34
What rotational speed would Mercury need to have to achieve a temperature comfortable for humans
Awarded Dec 11, 2021 at 2:15
If the Sun disappeared, could some planets form a new orbital system?
Awarded Dec 10, 2021 at 10:57
Repetition of orbital structure on many scales - what is it called?
Awarded Dec 9, 2021 at 19:11
How can Io be tidally heated while it is in tidal lock?
Awarded Dec 5, 2021 at 1:06
Could someone explain what is wrong with my telescope, and what should I be able to see with it?
Awarded Nov 29, 2021 at 23:06
Can the gravitational redshift of our sun be measured?
Awarded Nov 29, 2021 at 4:46
Betelgeuse appears in a rainbow of colors through a Newtonian telescope
Awarded Nov 24, 2021 at 22:47
Where is it possible to observe the Moon for 24 hours?
Awarded Nov 19, 2021 at 22:27
Could Neptune be viewed with the naked eye from Uranus?
Awarded Nov 11, 2021 at 10:20
Asteroids in polar orbits?
Awarded Nov 9, 2021 at 16:25
Which planet, viewed from which other planet would appear the largest?
Awarded Nov 3, 2021 at 13:21
How big would a telescope have to be to get a good look at the nearest neutron star?
Awarded Nov 2, 2021 at 12:12
What is the distance from Alpha Centauri to Barnard's Star?
Awarded Oct 29, 2021 at 20:03
Is saying that what we see of an object 1 light-year away happened 1 year "ago" in any a way useful view of the universe?
Awarded Oct 29, 2021 at 3:50
What is sin i in this graph and why is it there?
Awarded Oct 28, 2021 at 22:03
Astropy units issue
Awarded Oct 20, 2021 at 20:15
How do Lagrange points L2 and L3 form?
Awarded Oct 18, 2021 at 14:19
Local neighbourhood and Superclusters
Awarded Oct 4, 2021 at 9:27
Why "Dark matter" is still considered?
Awarded Oct 3, 2021 at 17:22
Will there be collision between universes?
Awarded Oct 3, 2021 at 15:35
Is the information about space we have old?
Awarded Sep 26, 2021 at 11:05
Can you tell me which star this is?
Awarded Sep 23, 2021 at 13:42
What do the words "p-type" and "s-type" mean?
Awarded Sep 23, 2021 at 6:36
How much water on the earth is made from hydrogen comes with solar wind?
Awarded Sep 22, 2021 at 22:56
Confused on how you are supposed to calculate eccentricity without apsides
Awarded Sep 21, 2021 at 7:10
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