Astronomy

Notable Question

 Notable Question
Question with 2,500 views. This badge can be awarded multiple times.
Awarded 1469 times.
How is the Cosmic Microwave Background so big?
Awarded Sep 26 at 3:27
Conversion from Equatorial Coordinate to Horizon Coordinates
Awarded Sep 25 at 22:12
B-V to U-B colour index
Awarded Sep 24 at 14:41
Calculating Angular Distance
Awarded Sep 23 at 18:48
Is there a clear-cut difference between rocky and gaseous planets?
Awarded Sep 20 at 7:35
What does the Sun's orbit within the Solar System look like?
Awarded Sep 19 at 21:57
Finding the radius of an eccentric orbit at any point
Awarded Sep 19 at 21:57
How else can a star form, other than gravitational collapse?
Awarded Sep 19 at 21:26
Do heavier elements breakdown during supernova?
Awarded Sep 18 at 21:17
Why is Uranus called a "green planet"?
Awarded Sep 18 at 14:56
Can you see Pleiades and Sirius at the same time on the sky, from Greece?
Awarded Sep 15 at 22:56
What are the correct symbols for vernal and autumnal equinox?
Awarded Sep 14 at 7:07
Why can't dark energy be considered a 5th fundamental force?
Awarded Sep 12 at 11:08
Did the Sun's light always peak in the green wavelengths?
Awarded Sep 10 at 3:40
What kind of things I could "see" with an amateur radio telescope?
Awarded Sep 7 at 4:55
Why are tides high only on a full moon day?
Awarded Sep 4 at 19:08
Two luminous points disappearing in the sky
Awarded Sep 4 at 11:35
Why is the L1 point (Lagrange) almost 1 million miles from Earth? Shouldn't it be closer to us?
Awarded Sep 3 at 4:02
How does the ITRS frame related to ECEF frame?
Awarded Sep 3 at 3:16
Is there a Lagrange point between the earth and the moon?
Awarded Sep 3 at 0:25
Angle from 2 point on celestial sphere
Awarded Sep 3 at 0:25
Does the Sun orbit the Milky way in a (kind of) flat or inclined orbit or more of a sine wave? [duplicate]
Awarded Sep 2 at 8:05
Moon moving near horizon much faster than at zenith, reason? error?
Awarded Aug 31 at 11:33
Why are radio telescopes often built into natural depressions?
Awarded Aug 31 at 9:55
Have we ever observed a large meteor hit the Moon?
Awarded Aug 29 at 2:55
Logically, how can the universe be infinite in size?
Awarded Aug 27 at 12:17
Why does time pass faster in moon than the earth?
Awarded Aug 26 at 7:55
How do moons get captured?
Awarded Aug 23 at 23:16
Why doesn't the Moon, like the Sun, turn bright red when it's close to the horizon?
Awarded Aug 23 at 20:56
Shouldn't very very distant objects appear magnified?
Awarded Aug 20 at 14:55
How to find the distance between two galaxies from ra and dec and redshift [duplicate]
Awarded Aug 18 at 16:41
Is there an upper limit to the mass of terrestrial planets?
Awarded Aug 18 at 8:31
How to determine the eccentricity, knowing the orbital speed and distance
Awarded Aug 17 at 16:06
Jacobi vs tidal radius for star cluster
Awarded Aug 17 at 4:41
How to tell if a meteor video or photograph is fake?
Awarded Aug 15 at 20:46
Under which conditions could a planet's massive moon's orbit get closer to the planet?
Awarded Aug 11 at 2:26
Does the luminosity of a star on its main sequence increase or remain approximately constant?
Awarded Aug 10 at 12:11
How would the sky look if Earth orbited a red giant at a safe distance?
Awarded Aug 9 at 2:52
Can fish and other sea creatures survive in watery planets like Neptune or any other planets that has water?
Awarded Aug 8 at 10:57
How do we know the Moon was much closer than it is now?
Awarded Aug 8 at 7:08
How does an eclipse differ from an occultation?
Awarded Aug 7 at 18:36
Terrestrial Exoplanet Skies – I've Built a Visual Sky Chart. Is it Accurate?
Awarded Aug 7 at 4:09
Redshift to calculate age of stars
Awarded Aug 4 at 11:27
How small can a planet be and still have Earth-like gravity?
Awarded Aug 3 at 13:01
Camera adaptor won't focus [duplicate]
Awarded Jul 30 at 19:47
Calculate Earth's distance travelled in a year
Awarded Jul 25 at 19:45
How much do the constellations change if the viewpoint moves within a solar system?
Awarded Jul 21 at 12:40
What is the shape of orbit assuming gravity does not depend on distance?
Awarded Jul 19 at 11:22
working with stellar spectra in fits format in python
Awarded Jul 17 at 13:49
What is the difference between Terrestrial Time (TT) and International Atomic Time (TAI)?
Awarded Jul 14 at 14:45
Why speed of light is considered to be the fastest?
Awarded Jul 13 at 16:51
Generate a uniform distribution on the sky
Awarded Jul 12 at 16:11
Why do white dwarfs cool down so slowly?
Awarded Jul 7 at 10:18
Cosmological redshift vs doppler redshift
Awarded Jul 5 at 16:15
How do we know that a natural satellite cannot be a hollow object?
Awarded Jul 4 at 10:20
How one can establish that the Earth is round?
Awarded Jun 30 at 7:32
Could a star revolve around a planet? [duplicate]
Awarded Jun 30 at 6:42
Why do people choose 0.2 as the value of linking length in the friends-of-friends algorithm?
Awarded Jun 28 at 12:34
How could the universe be a few light years across just 1 second after the big bang?
Awarded Jun 23 at 13:16
Why are sometimes the brightest star of a constellation not named alpha?
Awarded Jun 22 at 20:56
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