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Astronomy

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 3388 times.
Is Venus in our sun's habitable zone?
Awarded 2 hours ago
Differences between alt/az in Stellarium and Astropy
Awarded 19 hours ago
Always orient a sundial towards polar north?
Awarded yesterday
Why does "longitude by chronometer" require first calculating latitude?
Awarded 2 days ago
The face of the moon at moonset
Awarded Jul 18 at 4:17
Accurate way to programmatically generate a main sequence star?
Awarded Jul 16 at 5:21
In the onion-like elemental layers of a large mature star the neon is closer to the surface than oxygen, even though it is more massive... Why?
Awarded Jul 15 at 15:37
Can the Sun contain degenerate matter?
Awarded Jul 12 at 14:36
Can a star be made of sun spots?
Awarded Jul 12 at 3:41
If space is negative energy and matter is positive energy then does that mean the universe is finite?
Awarded Jul 10 at 20:48
Would being ejected from the Milky Way Galaxy have any major impact on life on Earth? [duplicate]
Awarded Jul 9 at 18:10
Are the North Star and the moon ever visible in the night sky at the same time?
Awarded Jul 8 at 20:34
Straightforward conversion from Gaia GDR3 photometry to RGB values
Awarded Jul 8 at 20:34
Why nobody cares to give the nearest stars better names?
Awarded Jul 8 at 18:40
How close would a quasar have to be to be seen with the naked eye?
Awarded Jul 7 at 22:41
Moonrise after sunrise but moonset before sunset?
Awarded Jul 7 at 21:42
Does matter accelerate to the speed of light as it approaches the singularity?
Awarded Jul 6 at 21:10
Does Universal Time really track mean solar time?
Awarded Jul 6 at 5:17
Could two moons orbit each other around a planet?
Awarded Jul 5 at 10:17
What's the difference between semi-major axis and apoapsis?
Awarded Jul 5 at 9:45
What’s an Earth-Sun-Moon eclipse called?
Awarded Jul 4 at 22:37
How to find the temperature of a planet accounting for the atmosphere?
Awarded Jul 4 at 20:25
What is the completeness of an observation and how do I calculate it?
Awarded Jul 4 at 13:56
How do galaxies move in space?
Awarded Jul 3 at 15:37
Why is Uranus colder than Neptune?
Awarded Jul 1 at 12:56
How do we know the radius of the universe is 47 billion light years?
Awarded Jun 30 at 9:32
How to find the radius of a satellite not knowing the mass
Awarded Jun 29 at 1:52
View of moon from South Pole?
Awarded Jun 28 at 13:12
Direction of Earth’s poles relative to the Sun’s movement around the Galaxy
Awarded Jun 28 at 5:57
Why does c show up in Schwarzschild's equation for the horizon radius?
Awarded Jun 26 at 17:05
Why is Mars considered the outer edge of the "goldilocks zone"?
Awarded Jun 25 at 5:05
Are there really half-a billion visible supernovae exploding all the time?
Awarded Jun 25 at 2:51
Standardized "constellation" regions?
Awarded Jun 24 at 9:06
Learning astrophysics from zero
Awarded Jun 22 at 0:17
Why don't they put more spare gyroscopes in expensive space telescopes?
Awarded Jun 19 at 14:41
Why does Helix Nebula look like an eye?
Awarded Jun 19 at 8:36
How does eyepiece exit pupil diameter affect image clarity and viewing experience?
Awarded Jun 17 at 16:03
Is Earth's Atmospheric Thickness Related to Cosmic Ray Radiation?
Awarded Jun 14 at 7:17
What instruments are used to measure the distance to the Sun?
Awarded Jun 14 at 6:19
Is the moon inside earth’s atmosphere? If so, what are the consequences?
Awarded Jun 12 at 20:11
Why is moonrise/moonset before sunrise/sunset on some days but after on others?
Awarded Jun 12 at 4:48
Why does Mars have a jagged light curve?
Awarded Jun 10 at 19:32
Is it theoretically possible for the Sun to go dark?
Awarded Jun 10 at 7:47
How to find the shape of an orbit
Awarded Jun 9 at 20:19
How do I adjust the sunrise equation to account for elevation?
Awarded Jun 9 at 15:37
What do the fusing 'onion layers' of a pre-supernova star look like to scale?
Awarded Jun 9 at 7:35
How are neutrinos able to cause a supernova explosion?
Awarded Jun 7 at 14:08
Is this an image of an astronomical observatory? If not, what's behind these domes?
Awarded Jun 5 at 19:47
What causes the Balmer Jump?
Awarded Jun 4 at 8:51
What can I see with 10x50 binoculars in bortle class 4?
Awarded Jun 4 at 3:20
Redshift, velocity, distance
Awarded Jun 4 at 3:16
Vera C. Rubin's LSST's ginormous camera's shutter; why does it open/close 1000 times a night & is this typical for large-format survey telescopes?
Awarded Jun 3 at 20:45
What happens to organic material in space [closed]
Awarded Jun 3 at 15:05
How many individual extrasolar "shiny" objects has humanity identified?
Awarded Jun 3 at 14:08
Can we calculate the orbit of exoplanets?
Awarded May 31 at 16:31
Probability of transit of an exoplanet in front of its star
Awarded May 31 at 14:56
Can a black hole "supernova"?
Awarded May 31 at 13:48
What radio frequency ranges are most beneficial for astronomy?
Awarded May 31 at 9:16
How bright would Alpha Centauri appear (in apparent Magnitude) if it were 1 light year away?
Awarded May 30 at 5:03
Visibility of Planetary alignment of 6 planets on 3 June 2024 from Prague
Awarded May 28 at 18:22
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