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Astronomy

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 3547 times.
How to find the resolution of a spectrum?
Awarded 3 hours ago
How can we be sure that effects of gravity travel at most at the speed of light
Awarded 4 hours ago
Understanding Earth Tilt, Sun's Position and Latitude Calculation
Awarded yesterday
Calculating Air Mass at Zenith for observing sites above sea level?
Awarded yesterday
Single axis solar tracker tilt angle calculation
Awarded 2 days ago
The defintion of star/planetary/solar system
Awarded Dec 5 at 19:21
Conceptual Doubt regarding the calculation of the Solar Constant
Awarded Dec 4 at 15:04
Explanation of resonance stability and instability
Awarded Dec 4 at 0:03
How far can the best telescope see in outer space from Earth?
Awarded Dec 3 at 8:06
Is there any planet out there which is half gaseous and half rocky ? is this possible?
Awarded Dec 1 at 4:06
Is the Sun slightly blue in the center? - Wavelength-dependent limb darkening of the Sun
Awarded Nov 30 at 14:37
Measuring misalignment between two positions on sky
Awarded Nov 28 at 21:10
Equinox sunrise sunset direction
Awarded Nov 27 at 3:47
Am I correct in assuming during the merger with the Milky Way the structure of the Andromeda Galaxy will not be visible to the naked eye?
Awarded Nov 26 at 0:06
Why do we use FITS format for scientific images especially in astronomy? How is it different from formats such as JPEG, PNG etc?
Awarded Nov 24 at 14:41
How do the phases of Venus prove heliocentrism?
Awarded Nov 24 at 7:54
Can a neutron star ever be less than about 1.44 solar masses (the Chandrasekhar limit)? Why not?
Awarded Nov 22 at 17:26
Why aren't there any large Ultraviolet (UV) space telescopes?
Awarded Nov 22 at 16:08
Why aren't there square astronomical units or square light years?
Awarded Nov 21 at 21:31
Spiral Galaxies
Awarded Nov 21 at 19:04
About Year Zero
Awarded Nov 20 at 22:16
When a protoplanet falls toward the Sun, even from a billion miles, how could it ever be flung out of the Solar System?
Awarded Nov 19 at 19:06
In the early solar system, were most orbits highly eccentric?
Awarded Nov 18 at 17:39
Is there, in fact, any close-up photography of Saturn's rings, showing individual pebbles/rocks?
Awarded Nov 18 at 17:09
Star power: How can we understand nuclear chemistry at millions of degrees when we can't do that experiment? Because the math predicts observations?
Awarded Nov 18 at 9:43
Hubble law, cosmological redshift and distance
Awarded Nov 17 at 10:16
How would the Tycho Impact have appeared from Earth?
Awarded Nov 17 at 5:14
Why is the composition of the sun so distinct from that of earth?
Awarded Nov 13 at 22:35
Book recommendation
Awarded Nov 13 at 10:33
What is the upper bound of number of stable interacting stars in a star system?
Awarded Nov 13 at 3:37
why does earth have speed?
Awarded Nov 12 at 2:17
Is there a relation with the noun planet and to be in a plane?
Awarded Nov 9 at 18:48
Why don't we use amateur astronomers' telescopes to create a huge interferometer?
Awarded Nov 8 at 21:52
High quality, detailed images of planets on web
Awarded Nov 8 at 17:26
Planetary observations: what to expect from the Powerseeker 50AZ?
Awarded Nov 7 at 20:49
Formula to calculate time of day from shadow direction on Earth and latitude?
Awarded Nov 7 at 3:13
Why does shell fusion produce more energy than core fusion?
Awarded Nov 5 at 10:16
How to calculate the apparent magnitude of sun?
Awarded Nov 4 at 9:23
Confused about what an orbit means now
Awarded Nov 4 at 8:48
On what scale does the universe expand?
Awarded Nov 4 at 7:35
Why did we discover so many exoplanets in this specific part of the sky?
Awarded Nov 4 at 0:00
What is the rarest stable element in the universe? [closed]
Awarded Nov 2 at 3:26
How big does a planet have to be before it can form an iron core?
Awarded Nov 1 at 16:36
Date and Time of Year given Sun's Right Ascension
Awarded Nov 1 at 1:08
Is it possible for a meteorite to start a fire on the ground?
Awarded Oct 30 at 13:36
Calculate how far we could see through Earth's atmosphere if it had the opacity of the solar photosphere?
Awarded Oct 29 at 18:06
What is space temperature around Earth?
Awarded Oct 29 at 15:32
How much of the time does the gravitational-wave detector network operate?
Awarded Oct 29 at 10:09
Calculate moon illumination given moon age
Awarded Oct 28 at 13:22
How is it that Jupiter and Saturn appear the same size in the sky?
Awarded Oct 25 at 19:36
What does "Normalized to Si 10 to the power 6" mean?
Awarded Oct 24 at 4:01
What is the star whose western traditional name is the longest?
Awarded Oct 24 at 3:09
Neutral vs ionized mean molecular weights
Awarded Oct 23 at 16:23
Why are type 1b and type 1c supernovae called type 1 rather than type 2; if they result from large exploding stars, rather than accreting dwarfs?
Awarded Oct 23 at 12:21
Question about semi-major axis mean separation
Awarded Oct 22 at 21:28
How to calculate local position, knowing the RA and Dec of the center of an image, RPY of the camera, and precise time?
Awarded Oct 22 at 16:13
How harmful is Saturn's magnetic field for human life?
Awarded Oct 22 at 11:45
What was the GPS time at J2000 epoch?
Awarded Oct 21 at 14:51
Downloadable GCNS (Gaia Catalog of Nearby Stars)
Awarded Oct 20 at 23:03
How do the sun's light rays come to the world?
Awarded Oct 20 at 16:34
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