Astronomy

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 3275 times.
How do you clean a foggy or dirty eyepiece of a telescope?
Awarded 2 hours ago
Are white dwarfs made of carbon or electron degenerate matter?
Awarded 14 hours ago
Does the sun have cycles causing temperature changes on Earth?
Awarded 15 hours ago
Can moons exist inside a planet's roche limit?
Awarded 15 hours ago
How to use spectral flux density data while using Planck's law giving spectral radiance?
Awarded yesterday
Based on what a month determined as of a certain zodiac constellation?
Awarded yesterday
how much time do Alpha Centauri A and B have?
Awarded Apr 15 at 20:47
Luminosity Schechter function for galaxies
Awarded Apr 15 at 13:19
Why is there a year 1 B.C., a year 0, and a year 1 A.D. in NASA’s Five Millennium Canon of Solar Eclipses?
Awarded Apr 15 at 11:18
What are the craters on the moon with peaks in the middle of them?
Awarded Apr 14 at 16:50
Does the Sun and Moon basically appear to "move on the sky" identically regardless of location and date?
Awarded Apr 14 at 8:42
Why are the solar prominences visible during a total solar eclipse - orange? Is the sun orange?
Awarded Apr 12 at 17:26
What is the apparent size of the Earth and Sun from Moon
Awarded Apr 11 at 20:57
Is there a formula to calculate the angular speed at which the Sun apparently moves around the Earth?
Awarded Apr 11 at 14:42
How precise are future Solar eclipse timing, path and dates, what could change timing/path?
Awarded Apr 10 at 20:08
Open source alternative for RegiStar (align, rotate, and combine images into single frame)
Awarded Apr 10 at 0:49
Length of a tidal day or by how much is the Moon late each day?
Awarded Apr 9 at 19:04
What caused pink flares during the eclipse
Awarded Apr 9 at 13:25
What is causing this strange shimmering pattern of light during a total solar eclipse?
Awarded Apr 8 at 21:33
Terran eclipse?
Awarded Apr 8 at 19:41
How can I tell if my solar glasses are up to ISO standards?
Awarded Apr 8 at 18:35
When does a solar eclipse become noticeable?
Awarded Apr 8 at 18:27
Is there evidence for galactic "seasons"?
Awarded Apr 8 at 18:08
Dark enough to see stars during total solar eclipse?
Awarded Apr 8 at 16:09
Is it safe to view a solar eclipse with the naked eye during totality?
Awarded Apr 8 at 10:49
Sun traveling North & South in this graphic?
Awarded Apr 8 at 2:03
How to confirm that I am in the center of the path of totality for the Solar Eclipse of April 08 2024 using GPS or Android/Iphone App?
Awarded Apr 7 at 18:26
How was the First Point of Aries measured in ancient times?
Awarded Apr 6 at 22:58
What are the best options for watching total or partial solar eclipse during bad weather conditions?
Awarded Apr 6 at 14:48
Is the gravitational constant really constant over our Universe?
Awarded Apr 4 at 19:47
What is this pale blue dot in a daytime photo of a Sun halo? [duplicate]
Awarded Apr 4 at 12:17
Can stars form in the stellar halo?
Awarded Apr 4 at 4:42
At the moment of total solar eclipse what are exact distances of Moon & Sun to the Earth
Awarded Apr 3 at 23:40
What happens to the information on the event horizons of two merging black holes?
Awarded Apr 1 at 20:17
What are the differences between Intergalactic Medium, Interstellar medium and Intracluster medium?
Awarded Mar 31 at 13:57
Why are helium resonance lines called "resonance lines"?
Awarded Mar 31 at 1:25
What is a probability of a particle launched from earth hitting any object in the universe?
Awarded Mar 29 at 5:47
Could a planet orbit a gravitational wave concentration
Awarded Mar 28 at 18:01
Why is the Sun's Luminosity not equal to the Zero Point Luminosity?
Awarded Mar 28 at 18:01
How much does cloud cover affect viewing the total eclipse
Awarded Mar 28 at 13:27
How soon would an earth-mass black hole evaporate?
Awarded Mar 27 at 18:55
What is this celestial phenomenon in the video?
Awarded Mar 27 at 14:17
Seen over 15 strange lights flying in a straight line [duplicate]
Awarded Mar 27 at 5:12
Using binoculars during solar eclipse totality
Awarded Mar 27 at 3:27
How to choose eyepieces and other accessories for a Celestron 70mm f/5.7 portable refractor?
Awarded Mar 27 at 2:09
Do Pulsar stars make actual sounds?
Awarded Mar 26 at 9:28
What do these coordinates mean: MW - VP101 3° 12' 43.2'' S 5° 12' 39.6'' W?
Awarded Mar 26 at 9:28
Can a lunar eclipse happen at night and be followed by a solar eclipse the next day?
Awarded Mar 25 at 11:01
Earth is Tilted, but in reference to What Object / relative to what?
Awarded Mar 24 at 22:42
The darkness that is equivalent to the block of 99.5% of the sun
Awarded Mar 23 at 12:19
Can Hawking Radiation ever be detected and does it exist? [duplicate]
Awarded Mar 23 at 5:16
Retrograde motion of planets: reason and time?
Awarded Mar 22 at 20:21
Jean Meeus - calculating moon rise, transit and set times - help isolating error in logic
Awarded Mar 21 at 23:51
At 45°N, how come the Sun rises in a northeasterly direction?
Awarded Mar 21 at 15:11
What are the natural life sustaining resources available in the Jovian moon system?
Awarded Mar 21 at 13:35
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 21 at 7:51
Have we observed other habitable planets like Earth? [duplicate]
Awarded Mar 20 at 21:27
Why does nuclear fusion generate heat?
Awarded Mar 19 at 15:36
How are stellar elemental abundances quoted?
Awarded Mar 19 at 15:36
Is our supercluster part of a galaxy filament?
Awarded Mar 19 at 11:18
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