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M
Gravitational lensing is just optical lensing from refraction
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0
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3K
Marvas
M
Greenlight
Question Is Gravitational time dilation due to gravity?
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31
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7K
Marvas
M
M
The cosmoillogical constant: the energy of blunder
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0
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4K
Marvas
M
M
The Black hole conundrum
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0
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2K
Marvas
M
space101
Equations known
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18
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3K
COLGeek
COLGeek
J
unusual sight in the night sky.
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7
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3K
Jon Mayer
J
Sage.In.Space
Question How to study astrophysics at home
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3
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2K
Sage.In.Space
Sage.In.Space
Rorisang
Unveiling the Cosmic Archive: Hunting for Advanced Alien Civilizations
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7
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4K
Catastrophe
Catastrophe
Andrii Dzygunenko
Question Recommendations for International Research Competitions
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4
Views
2K
Andrii Dzygunenko
Andrii Dzygunenko
S
Is it possible to see a diamond ring effect without seeing totality?
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8
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2K
Catastrophe
Catastrophe
Helio
Eclipse reveals the color story of the Sun
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0
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2K
Helio
Helio
S
Advice to how to watch Solar Eclipse in US
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24
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8K
Helio
Helio
SpaceLover69
Question Where does the oxygen go if there is a leak in an astronaut's oxygen tank while doing a spacewalk?
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2
Views
1K
Classical Motion
Classical Motion
Q
Question Black Hole Jets
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2
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2K
Quasars-are-awesome
Q
Aabir
Stargazing What is this in the picture?
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2
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2K
Aabir
Aabir
SaraRayne
How To What Would Happen if the Earth Started Spinning in the Other Direction?
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22
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17K
Helio
Helio
SaraRayne
How To What is the Biggest Object Ever Discovered in Space?
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23
Views
18K
Atlan0001
A
Classical Motion
Question Star Spectrums
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0
Views
1K
Classical Motion
Classical Motion
Nancy
Galaxy shapes
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0
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1K
Nancy
Nancy
Cisventure Astronot
Question General term for "Asteroid belt"
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4
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2K
Atlan0001
A
spacetimedimen
Exploring Ancient Alien Civilizations: Timeless Echoes Across the Cosmos
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18
Views
5K
Gibsense
Gibsense
chordsd
Trivia Time
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1
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1K
COLGeek
COLGeek
Mark Hatfull
Another theory for Dark Matter. With simple formulas, data, and proof.
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3
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2K
Gibsense
Gibsense
A
We have the capability now, why aren't we shooting for observations at 13.8 - to 14-billion light years from Earth?
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3
Views
3K
Gibsense
Gibsense
simmisj
Determining (calculating) when the moon is in a certain window of the sky.
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2
Views
4K
Classical Motion
Classical Motion
pruthvi
Question How it is possible if the planet has more mass can revolve around sun in a elliptical orbit ?
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1
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2K
Unclear Engineer
U
pruthvi
Wiki Gravitational binding energy
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1
Views
2K
COLGeek
COLGeek
pruthvi
Question There is any possibility of new compound or element
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0
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1K
pruthvi
pruthvi
M
Bucket List: A Dozen+ Exposures of NGC 238
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0
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2K
miccmo
M
RobbyQbit
Where is the centre point of the universe
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16
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5K
Atlan0001
A
Bruh_Moment
Why does time seem to flow only in one direction?
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29
Views
17K
Atlan0001
A
RobbyQbit
Question Exoplanets in the visible spectrum
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6
Views
2K
RobbyQbit
RobbyQbit
Rorisang
Rethinking Extraterrestrial Life: Beyond the Usual Suspects
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5
Views
4K
Highcast
H
M
identify moving non-flashing lights in the night sky
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2
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7K
Annette
Annette
Helio
Rocket nebula *wink*
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0
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2K
Helio
Helio
spacetimedimen
Beings Like Us in Parallel Universes
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49
Views
13K
Pogo
Pogo
spacetimedimen
A Night of Wonder: My Unforgettable UFO Encounter
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5
Views
5K
Unclear Engineer
U
Classical Motion
Question Spin Direction
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0
Views
2K
Classical Motion
Classical Motion
M
The Hypernova
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4
Views
3K
Phillip Huggan
Phillip Huggan
M
A question about infinity
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24
Views
5K
Catastrophe
Catastrophe
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