Join in expert discussion on the topics of Astronomy and astrophysics. This may include discussion on celestial objects, space, and the physical universe as a whole. Mainstream science only.
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High School
Lunar Orbit Issues & Lunar Clocks
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High School
NASA Data Site Down
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High School
Looking for info about the Sombrero Galaxy
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Undergrad
Could Venus be a 'Soot World'?
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Undergrad
Is there anything inside a black hole?
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High School
3I/ATLAS, Interstellar Comet
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Undergrad
Visible light Over Large Distances
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Undergrad
How feasible is home radio astronomy?
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Stargazing
Castor, Pollux, Mars and the Moon
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High School
Venus and Jupiter Conjunction
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Stargazing
Orange lines on Aladin lite
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High School
Looking for a list of astronomy collaborations
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Graduate
Self-gravitating systems and MOND
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Undergrad
Time interval terminology
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Graduate
Charge to mass ratio of a photon
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Undergrad
Sun gravitational lensing forces
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Undergrad
IRAF 2025?
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High School
Colliding Gas Cloud to form a Star
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Stargazing
Small angle lunar haloes
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High School
Confusion regarding black hole spin
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Undergrad
Mass Loss on an HR diagram
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Undergrad
Magnitude where the Pale Dot is blue?
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Undergrad
Galaxy GNZ11 33 billion light-years away
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High School
First ever recorded planetary engulfment
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High School
Does Sun cross planes of all binary stars?
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Stargazing
Q: Meridian flip
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High School
What is dark matter?
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Undergrad
How can the Universe be infinite?
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Undergrad
Speediest Exoplanet System
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High School
CNO Cycle
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Undergrad
Cosmic ray origins
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Stargazing
Is There a New Planet Beyond Neptune?
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Stargazing
Merger of two black holes (video)
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High School
Brightness of different layers of the Sun
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High School
Atmospheric refraction and "rainbow"
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Stargazing
Meteorite crash recorded on video in Canada
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High School
More scope refurbishments or start new?
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Undergrad
Moon phase ruins my Stargazing!
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High School
Does my theory about black holes make sense ?
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