Astronomy

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 3093 times.
Need help identifying fast moving red dot in the sky
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Is there a way to find polar star after identifying Orion's belt?
Awarded 2 days ago
Hypothetical trans-Neptunian planets orbiting the Sun
Awarded Dec 7 at 14:26
At the intersection of engineering and astronomy in its structure as a scientific discipline
Awarded Dec 7 at 4:16
What would happen if a small black hole fell into a star?
Awarded Dec 6 at 8:51
How to convert luminosity at rest frame wavelength of 1450 A to absolute magnitude at 1450 A?
Awarded Dec 5 at 17:03
The star that created our sun
Awarded Dec 5 at 8:26
Why are the magnetic poles of a pulsar so far off the rotational axis, yet stable?
Awarded Dec 4 at 15:00
Looking for a routine to correct for Local Standard of Rest (LSR)
Awarded Dec 4 at 12:06
Is it possible to have a trinary star system with a planet that orbits their barycenter?
Awarded Dec 3 at 23:46
Calculating obital velocity from radial velocity
Awarded Dec 3 at 4:10
What fraction of starlight, seen from Earth, is actually reflected light?
Awarded Dec 2 at 17:17
Why does the Sun deviate from a typical blackbody spectrum in the S band?
Awarded Nov 30 at 22:18
What does the Earth look like when viewed from Saturn?
Awarded Nov 30 at 16:52
Help me better understand how the plane of Moon's orbit around Earth behaves
Awarded Nov 30 at 14:31
GW190521 black hole merger total mass calculation and missing mass, how does this happen?
Awarded Nov 30 at 7:26
When it was discovered that the classical planet are not stars?
Awarded Nov 30 at 5:10
Is Venus' north towards Earth's south
Awarded Nov 28 at 20:52
Plotting Equatorial coordinates to X,Y plane (simulating telescope/camera view)
Awarded Nov 28 at 14:41
Difference between Supernova Type Ia and Nova
Awarded Nov 28 at 7:21
Moon changes position
Awarded Nov 28 at 0:36
Do stars vary their own brightness?
Awarded Nov 27 at 22:00
Why is it impossible to infer the surface temperature of Venus by spectroscopy observation from earth?
Awarded Nov 27 at 1:36
Determine spectral type of star from its properties
Awarded Nov 26 at 23:40
What is the physical reason of the mirror principle in the stellar evolution?
Awarded Nov 26 at 21:42
What would Aurora look like if no magnetic field was present around the Earth?
Awarded Nov 26 at 21:36
Where's the Prime Meridian of celestial coordinates
Awarded Nov 26 at 11:37
What is the ring of light around the moon and which star seen near it?
Awarded Nov 25 at 21:21
How can we measure the amount of Dark Matter in the universe to the level of a percent?
Awarded Nov 25 at 7:02
What is the orientation of planetary orbits?
Awarded Nov 23 at 18:37
Why did the dust between the planets disappear during the birth of the solar system?
Awarded Nov 22 at 15:07
Evidence of CMB redshift
Awarded Nov 21 at 21:25
Is the universe moving through infinite space time as it expands?
Awarded Nov 20 at 4:40
Notable differences if all stars would disappear except the Sun
Awarded Nov 18 at 23:18
Where is the Moon for the last five or six days? [duplicate]
Awarded Nov 17 at 23:48
Could the human body feel the sudden disappearance or end of a gravitational force?
Awarded Nov 17 at 13:57
How is distance in light-years converted to years back in time?
Awarded Nov 16 at 16:48
What percentage of the sky could the sun be in?
Awarded Nov 16 at 12:07
What is Earth believed to have looked like before the collision with Theia?
Awarded Nov 15 at 20:02
At what depth below the Sun's surface does the density reach that of water?
Awarded Nov 15 at 16:26
How much mass does the Sun lose as light, neutrinos, and solar wind?
Awarded Nov 15 at 2:10
What is the difference between a dwarf spheroidal galaxy and a globular cluster?
Awarded Nov 14 at 16:17
At what distance would it be safe for humans to stare at the sun?
Awarded Nov 14 at 14:33
Is the dark side of the earth protected from the risks of solar flares?
Awarded Nov 14 at 11:50
What determines the temperature of a white dwarf?
Awarded Nov 12 at 20:50
Simple mathematical models of solar systems
Awarded Nov 11 at 17:45
Can I see Jupiter, Mars and Saturn through the National Geographic 76/350 Dobsonian Telescope?
Awarded Nov 11 at 14:26
Does the escape velocity formula take into account how a gravitationally bound object's distance to its primary increases before coming back down?
Awarded Nov 11 at 12:27
How can I find out the maximum magnification of my telescope?
Awarded Nov 10 at 3:55
How does one convert between Modified Julian Date (MJD) and a standard (mm/dd/yr, hr:mm:ss)
Awarded Nov 8 at 20:33
Radial Density Profile Equation [closed]
Awarded Nov 7 at 18:41
Why did Theia create only one moon if it struck Earth?
Awarded Nov 7 at 11:18
Realistic description of a sunrise viewed from the asteroid belt?
Awarded Nov 6 at 20:34
What is the smallest (brightest) magnitude that the JWST can safely observe?
Awarded Nov 6 at 15:04
Distance of the Crab nebula and the speed of light
Awarded Nov 6 at 11:48
Computing the rate of orbital decay
Awarded Nov 6 at 11:16
Radio telescope targeting
Awarded Nov 5 at 22:46
Why is time considered a (fourth) dimension?
Awarded Nov 2 at 15:55
Semi-major axis vs. apogee and perigee of orbit
Awarded Nov 2 at 1:35
Searching dataset for Constellation detection
Awarded Nov 1 at 22:42
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