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Astronomy

Notable Question

 Notable Question
Question with 2,500 views. This badge can be awarded multiple times.
Awarded 1703 times.
Why do most planets remain within a few degrees from the ecliptic?
Awarded Mar 5 at 23:09
Can I see "my own hand" in the void space?
Awarded Mar 5 at 20:33
How do you calculate the effects of precession on elliptical orbits?
Awarded Mar 1 at 19:52
Do the axes of rotation of most stars in the Milky Way align reasonably closely with the axis of galactic rotation?
Awarded Feb 29 at 3:42
Have Earth, Mars and Jupiter and Neptune not cleared their orbits of space debris? [closed]
Awarded Feb 29 at 3:15
Why does Titan have lower surface gravity than the Moon when Titan is more massive?
Awarded Feb 28 at 21:07
Unreasonable ratios in astronomy as ways of remembering
Awarded Feb 28 at 19:08
The moon rises at a different time each day, but that difference changes. Why?
Awarded Feb 27 at 23:41
What makes the Earth rotate infinitely around its axis?
Awarded Feb 27 at 17:47
Why don't we just unshift the IR photos from Webb?
Awarded Feb 26 at 12:57
Is it coincidence that the earth's rotation and revolution are in the same direction?
Awarded Feb 26 at 12:17
From our world's perspective, does the full moon look larger in one city than it does in another?
Awarded Feb 25 at 0:56
Is there a word for an object orbiting a brown dwarf?
Awarded Feb 23 at 8:26
Is it possible to view the sun and moon in the sky at the same time?
Awarded Feb 22 at 4:57
I need help using this telescope!
Awarded Feb 22 at 0:04
How was water formed?
Awarded Feb 20 at 16:18
What would happen if a rogue planet hit one of the planets in our Solar System?
Awarded Feb 20 at 14:25
Why do years become shorter with time?
Awarded Feb 19 at 5:21
How do I know it is safe to remove eclipse glasses when viewing a total solar eclipse?
Awarded Feb 18 at 23:26
Angular velocity of planets around Earth, and Sun
Awarded Feb 16 at 21:18
Where did Mars' water go?
Awarded Feb 14 at 14:15
Safest Place on Earth from Falling Meteorites
Awarded Feb 14 at 13:52
Does seeing a gravitationally lensed/magnified galaxy imply that they could also see us as well?
Awarded Feb 13 at 21:35
How do you propagate asymmetric errors? (on the practical way to...)
Awarded Feb 13 at 20:55
When exactly does a sub giant become a red giant?
Awarded Feb 12 at 15:26
Slow moving, flashing star-like object in the sky. What could it be? [closed]
Awarded Feb 12 at 1:45
how to get image coordinates of source points in saoimage ds9?
Awarded Feb 11 at 17:27
what is the percentage of stars with planetary systems?
Awarded Feb 8 at 20:56
Where can I find permissibly licensed database of stars and constellations?
Awarded Feb 6 at 21:56
Does Gold really come from Supernovas? [duplicate]
Awarded Feb 6 at 9:25
Why was Jupiter so bright; is it the "phase"?
Awarded Feb 6 at 1:00
Can I learn astrophysics and astronomy with my basic math?
Awarded Feb 3 at 15:19
How to determine the orbital period of an asteroid using Kepler laws given its orbit's radius?
Awarded Feb 2 at 22:40
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 30 at 12:27
Sunlight intensity during a day
Awarded Jan 27 at 21:52
How many times has the Milky Way rotated?
Awarded Jan 27 at 3:16
How to explain that Polaris is a circumpolar star in the sky of any North America city?
Awarded Jan 26 at 3:20
Which focus point does the sun occupy for each planet?
Awarded Jan 25 at 0:56
Was this video shot with a ground based hobby astronomer telescope?
Awarded Jan 23 at 17:31
Can we see the Big Bang happen if we look far enough?
Awarded Jan 21 at 8:03
How deep is the "A" Fraunhofer line in the solar spectrum? Is it from the Sun's or Earth's atmosphere?
Awarded Jan 20 at 9:18
What am I looking at here at Google Sky?
Awarded Jan 19 at 19:47
Is there a limit to the Schwarzschild radius?
Awarded Jan 18 at 16:57
As days get longer, why isn't the added daylight split evenly between sunrise and sunset?
Awarded Jan 13 at 4:16
At what velocity would an object have to fall in order to become weightless? [closed]
Awarded Jan 12 at 5:55
How does a gravity slingshot actually work?
Awarded Jan 11 at 18:42
How do we measure the brightness of the stars?
Awarded Dec 30, 2023 at 3:08
If the universe has no true center, could it have antipodes?
Awarded Dec 29, 2023 at 19:40
Will a planet's core always be very hot?
Awarded Dec 28, 2023 at 7:10
Why do certain moons have their rotational period equal to their orbital period?
Awarded Dec 27, 2023 at 22:51
Does the Earth orbiting around the Earth-Moon barycenter cause a measurable centrifugal force?
Awarded Dec 25, 2023 at 7:11
Are there any galaxies visible in the night sky around the Orion constellation?
Awarded Dec 23, 2023 at 2:09
How frequently do Jupiter & Regulus have triple conjunctions?
Awarded Dec 19, 2023 at 5:36
Cosmological redshift and comparing past galaxy sizes
Awarded Dec 16, 2023 at 8:11
How did the ancient Greeks measure celestial angles?
Awarded Dec 15, 2023 at 8:20
What star is this?
Awarded Dec 14, 2023 at 13:26
How and when will Sirius migrating towards the Sun trigger the movement of Kuiper belt objects into the solar system?
Awarded Dec 14, 2023 at 9:21
Is there a limit to how hot a star can be?
Awarded Dec 13, 2023 at 13:36
What is the Inner Horizon of a rotating black hole?
Awarded Dec 12, 2023 at 21:18
Can we see individual stars in other galaxies?
Awarded Dec 12, 2023 at 10:42
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