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lcarlson
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Welcome students, parents and educators!
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Cat-Ret-Jet
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MMohammed
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Feature Exclusive debut: Joe Pesce interview with Chelsea Gohd!
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6
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8K
NYCShadowCat
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shaines
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Space Official Community Rules
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shaines
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Read Before Posting: Forum Rules
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shaines
shaines

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Harry Costas
Question BIG BANG EVIDENCE
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227
Views
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Harry Costas
Harry Costas
Helio
Exoplanet Stats
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162
Views
75K
Helio
Helio
A
Light's picture framing a universe to an "observable universe" at any point . . . maybe?!
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1
Views
570
Atlan0001
A
Rezon
Neutron stars
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2
Views
201
Rezon
Rezon
Y
Hypothesis: Dark Matter as Emergent Large-Scale Electron Waves
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0
Views
190
Yoel
Y
Anasstassia
Question What will happen if a black hole collides with a pulsar?
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2
Views
409
xavier.hodge2024
xavier.hodge2024
M
Big Bang theory contradicts both Special and General relativity
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27
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Harry Costas
Harry Costas
sajmons
Collimation Circles, app for easy telescope collimation
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3
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sajmons
sajmons
Snowball Solar System
Gas-giant Exoplanets in Baby Huey Stellar Systems
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4K
Snowball Solar System
Snowball Solar System
B
Is this flashing object that I recorded a geostationary satellite? Included: a short video of footage and my amateur analyses
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4
Views
6K
Hardcrunchyscience
H
Coinneach
Question Exomoons around tidally locked planets
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3
Views
10K
Helio
Helio
P
Hubble De-orbit
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2
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7K
billslugg
billslugg
Skadooosch
Continued UAP experiences where I live
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8K
Skadooosch
Skadooosch
Ed Stauffer
Spatially Anomalous Materials
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0
Views
473
Ed Stauffer
Ed Stauffer
astro.exe
352 contact binary
Replies
2
Views
641
Classical Motion
Classical Motion
Rorisang
The enigma of what lies beyond our observable universe
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48
Views
12K
Helio
Helio
M
NASA confuses gravitational redshift with refractional redshift
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12
Views
2K
George²
George²
H
What the hell would you do in this situation?
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0
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843
Hunter1703
H
M
If light waves/photons loose energy when they interact with matter/electrons, why is this not called a Redshift ?
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16
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4K
Helio
Helio
M
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A radio photon can be miles long. Isn't that a bit of a stretch for a 'quantum particle' ?
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25
Views
3K
COLGeek
COLGeek
B
Black Holes - Can interstellar gas and dust survive being captured by an accretion disc
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3
Views
723
Brian0127
B
B
Black holes and dark energy
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1
Views
759
Questioner
Q
M
Gravity does not cause any light bending, NASA scientist claims. But what does ?
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1
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1K
Marvas
M
M
Gravitational lensing is just optical lensing from refraction
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0
Views
2K
Marvas
M
Greenlight
Question Is Gravitational time dilation due to gravity?
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31
Views
5K
Marvas
M
M
The cosmoillogical constant: the energy of blunder
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0
Views
3K
Marvas
M
M
The absurdity of space-time curvature and geodesics
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0
Views
2K
Marvas
M
M
The Black hole conundrum
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0
Views
911
Marvas
M
M
An introduction to Refractional redshift, and how it was confused with gravitational redshift
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15
Views
4K
Marvas
M
M
Shapiro time delay is caused by Refraction. Gravitational time dilation does not exist.
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0
Views
3K
Marvas
M
space101
Equations known
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18
Views
2K
COLGeek
COLGeek
J
unusual sight in the night sky.
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7
Views
2K
Jon Mayer
J
Sage.In.Space
Question How to study astrophysics at home
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3
Views
1K
Sage.In.Space
Sage.In.Space
Rorisang
Unveiling the Cosmic Archive: Hunting for Advanced Alien Civilizations
Replies
7
Views
3K
Catastrophe
Catastrophe
artsynanna
Betelgeuse goes Supernova
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3
Views
1K
Atlan0001
A
Andrii Dzygunenko
Question Recommendations for International Research Competitions
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4
Views
1K
Andrii Dzygunenko
Andrii Dzygunenko
S
Is it possible to see a diamond ring effect without seeing totality?
Replies
8
Views
1K
Catastrophe
Catastrophe
drakotol
A video made by me about space and the loneliness in the universe
Replies
54
Views
204K
rora23
rora23
Helio
Eclipse reveals the color story of the Sun
Replies
0
Views
842
Helio
Helio
S
Advice to how to watch Solar Eclipse in US
Replies
24
Views
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Helio
Helio
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