Astronomy

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Awarded 1587 times.
Is Venus' north towards Earth's south
Awarded yesterday
How (the heck) was this photo of Venus at inferior conjunction (between us and the Sun) taken?
Awarded yesterday
why is it impossible to infer the surface temperature of Venus by spectroscopy observation from earth？
Awarded 2 days ago
How can orbital resonance sometimes have a stabilising effect, whilst other times, it has a destabilising effect?
Awarded Nov 20 at 22:40
Is the dark side of the earth protected from the risks of solar flares?
Awarded Nov 14 at 9:36
Can things move faster than light inside the event horizon of a black hole?
Awarded Nov 11 at 17:50
Why did Theia create only one moon if it struck Earth?
Awarded Nov 9 at 1:48
Definition of a moon in an exam: "A satellite of a planet that *doesn't produce light itself but reflects it*" - is there relevance for the emphasis?
Awarded Oct 31 at 19:05
Do bigger telescopes equal better results?
Awarded Oct 30 at 22:48
Why is the composition of the sun so distinct from that of earth?
Awarded Oct 30 at 22:05
Are there plans to detect life on Earth from the outer solar system?
Awarded Oct 25 at 12:18
Does the gravity oppose to the Universe expansion?
Awarded Oct 21 at 4:17
What factors influence the Widmanstätten pattern in iron meteorites?
Awarded Oct 21 at 2:20
Lack of objects between heliopause and Oort cloud?
Awarded Oct 19 at 8:56
How do Spiral Galaxies become flat?
Awarded Oct 19 at 7:06
What's the reason for the hollow region in Oort cloud?
Awarded Oct 17 at 6:41
How can telescopes see anything at all?
Awarded Oct 13 at 0:15
Is there any hard evidence that rogue planets exist?
Awarded Oct 11 at 21:57
What happens over time as a neutron star cools?
Awarded Oct 9 at 10:32
How can the life time of a multiple star system, such as for example the trinary system PSR J0337+1715 be derived?
Awarded Oct 8 at 9:16
Why can't a half-illuminated planet support life at all?
Awarded Oct 6 at 19:34
Error in "Efficient Method for Calculating the time of Sunrise and Sunset" by Robin G Stuart
Awarded Oct 5 at 14:55
Why is Mercury's orbit so unusual?
Awarded Oct 5 at 10:34
From an outsider's perspective, how can a black hole grow if nothing ever crosses the event horizon?
Awarded Sep 30 at 21:51
How would water-ammonia oceans behave?
Awarded Sep 29 at 13:31
How to describe the Sun's location to an alien from our Galaxy?
Awarded Sep 29 at 2:11
Why are segmented mirrors lighter than monolithic mirrors?
Awarded Sep 27 at 13:52
Why is Uranus called a "green planet"?
Awarded Sep 17 at 20:51
How fast is Neptune getting brighter? When was was this first noticed and reported?
Awarded Sep 17 at 0:31
Did the Sun's light always peak in the green wavelengths?
Awarded Sep 7 at 23:25
Satellite in orbit in front of and behind the Moon
Awarded Sep 5 at 1:07
Can Earth host another natural satellite than the Moon?
Awarded Sep 2 at 23:41
What is the long term fate of the gas giants?
Awarded Sep 1 at 11:37
Would stars have formed in the Universe if atomic hydrogen couldn't make molecular hydrogen?
Awarded Aug 31 at 9:17
Why are radio telescopes often built into natural depressions?
Awarded Aug 30 at 13:48
Are there any Stars we know don't have planets?
Awarded Aug 27 at 14:51
Is the barycenter of the solar system usually outside of the sun?
Awarded Aug 26 at 4:47
Why doesn't the Moon, like the Sun, turn bright red when it's close to the horizon?
Awarded Aug 23 at 18:42
Shouldn't very very distant objects appear magnified?
Awarded Aug 19 at 21:56
"Next Generation Arecibo Telescope (NGAT)... would combine a 314-metre-wide platform with a swarm of 9-metre dishes on top" What would that look like?
Awarded Aug 18 at 16:32
What is the albedo of the far side of the Moon?
Awarded Aug 11 at 22:50
What exactly is a "moon"?
Awarded Aug 9 at 19:11
Under which conditions could a planet's massive moon's orbit get closer to the planet?
Awarded Aug 8 at 18:31
How do we know the Moon was much closer than it is now?
Awarded Aug 8 at 13:57
When did the first annular eclipse happen?
Awarded Aug 6 at 16:41
Where are Modern Constellation lines defined?
Awarded Aug 6 at 7:35
How much do the constellations change if the viewpoint moves within a solar system?
Awarded Jul 21 at 11:15
What is the shape of orbit assuming gravity does not depend on distance?
Awarded Jul 18 at 9:27
Would the Earth and Moon still have tides after the Earth tidally locks to the Moon?
Awarded Jul 7 at 7:20
Why do white dwarfs cool down so slowly?
Awarded Jul 6 at 10:16
How one can establish that the Earth is round?
Awarded Jun 30 at 21:34
Why (the heck) is the basic angle of GAIA 106.5°?
Awarded Jun 28 at 0:27
Is Jupiter a dwarf planet?
Awarded Jun 26 at 15:56
What does a solar eclipse at 99% totality look like?
Awarded Jun 23 at 23:00
How much mass does an object in space need to keep a human on its surface?
Awarded Jun 23 at 22:52
What telescope is Polish astronomer Kazimierz Kordylewski holding in this April 1964 photo at the Jagiellonian University Observatory in Krakow?
Awarded Jun 23 at 14:04
Why are sometimes the brightest star of a constellation not named alpha?
Awarded Jun 21 at 20:41
What is the mechanism through which mass is converted to thermal energy in the accretion disc of a black hole?
Awarded Jun 20 at 20:04
Why are some planets so close to their star?
Awarded Jun 20 at 17:35
Could we (Earth, Humanity, Solar System) be falling into a black hole?
Awarded Jun 16 at 16:14
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