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Black Friday 2023:
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Cosmology
Page 2 - Seeking answers about space? Join the Space community: the premier source of space exploration, innovation, and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier.
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Destroying the concept of time travel
Noobphysic2020
Jul 29, 2020
Replies
18
Views
4K
Aug 21, 2023
ASTROSTONER
A
U
Proper definitions for "Universe", "Observable Universe" and "Visible Universe"?
Unclear Engineer
Sep 25, 2022
Replies
18
Views
3K
Aug 20, 2023
Atlan0001
A
A
Oh No! The Colors of the Universe! And the arrows!
Atlan0001
Aug 17, 2023
Replies
2
Views
678
Aug 18, 2023
Helio
U
New Gaia binary star measurements seem to support MOND and challenge dark matter
Unclear Engineer
Aug 8, 2023
Replies
7
Views
957
Aug 8, 2023
Unclear Engineer
U
T
Why the need to prove a cosmological constant?
The1dal
Aug 7, 2023
Replies
3
Views
652
Aug 7, 2023
Classical Motion
A
Question
if you tied a rope would the rope expand or break?
ASTROSTONER
Jul 10, 2023
Replies
2
Views
1K
Aug 5, 2023
Atlan0001
A
A
How many multiverses are there?
Atlan0001
Apr 16, 2023
Replies
4
Views
2K
Aug 3, 2023
El Hado Helado
Is perhaps declaring bio war on the solar system a good way of unearthing intelligent life ?
cheenu
Jul 31, 2023
Replies
2
Views
602
Aug 1, 2023
cheenu
A
Again, Negative Entropy Versus Positive Entropy, Universe-wise
Atlan0001
Jul 31, 2023
Replies
0
Views
483
Jul 31, 2023
Atlan0001
A
The topography of spacetime
Ed Stauffer
Jul 28, 2023
Replies
0
Views
896
Jul 28, 2023
Ed Stauffer
M
Temperatures in intergalactic space
Michael Varn
Aug 24, 2020
Replies
23
Views
3K
Jul 27, 2023
Catastrophe
A
Infinitely, absolutely, dense mass . . . at once infinitely, absolutely, deep Abyss . . . does exist!
Atlan0001
Jul 26, 2023
Replies
0
Views
709
Jul 26, 2023
Atlan0001
A
A
A new extremely rare type of black hole with no mass.
ASTROSTONER
Jul 14, 2023
Replies
1
Views
698
Jul 14, 2023
Atlan0001
A
J
Is the theory of a matter, antimatter Universe valid?
Jzz
Jul 6, 2023
Replies
15
Views
2K
Jul 14, 2023
Jzz
J
A
Alcubierre Drive: Impossible? No! It is the Universally Routine. It is the Law!
Atlan0001
Jul 8, 2023
Replies
3
Views
745
Jul 8, 2023
Atlan0001
A
A
Time is not Linear
ASTROSTONER
Apr 12, 2023
Replies
3
Views
2K
Jul 5, 2023
ASTROSTONER
A
The Birth Mechanism of the Universe from Nothing !
icarus2
Jul 5, 2023
Replies
0
Views
944
Jul 5, 2023
icarus2
J
Question
Does Time exist and if not what really is Time Dilation?
james fairclear
Jan 3, 2021
2
Replies
41
Views
10K
Jul 5, 2023
Atlan0001
A
A
It isn't that it came from a point....
Atlan0001
Jun 30, 2023
Replies
3
Views
608
Jul 4, 2023
Atlan0001
A
Dirac and the gravitational constant G
RobbyQbit
Jul 2, 2023
Replies
7
Views
871
Jul 3, 2023
Atlan0001
A
A
The Original Perpetual Motion Machine!
Atlan0001
Jun 9, 2023
Replies
6
Views
1K
Jun 30, 2023
Atlan0001
A
Gravitational Waves in the spectrum
RobbyQbit
Jun 29, 2023
Replies
4
Views
809
Jun 30, 2023
Pogo
Absolute Truth in Physics : Variable Speed of Light
Pentcho Valev
Apr 1, 2023
Replies
4
Views
1K
Jun 29, 2023
ahmedfathy
Cosmology and being fearful
RobbyQbit
Jun 28, 2023
Replies
6
Views
767
Jun 29, 2023
RobbyQbit
Why it takes so long for the sun to burn out?
spacedweller
Jun 28, 2023
Replies
0
Views
785
Jun 28, 2023
spacedweller
Why the current model of the universe breaks a fundamental law, that energy cannot be created nor destroyed.
Space Ponder
May 11, 2023
2
3
Replies
66
Views
5K
Jun 28, 2023
Harry Costas
P
Associated
PedroXY
Jun 24, 2023
Replies
8
Views
902
Jun 27, 2023
PedroXY
P
A
Again, throwing the dice, shooting the works, as usual!
Atlan0001
Jun 15, 2023
Replies
6
Views
944
Jun 27, 2023
Atlan0001
A
Brian Greene Teaches Constant Speed of Light
Pentcho Valev
Mar 17, 2023
Replies
12
Views
2K
Jun 23, 2023
Atlan0001
A
A
Does the Big Bang theory put us at the center of the Universe?
ASTROSTONER
Jun 12, 2023
2
Replies
41
Views
2K
Jun 22, 2023
Adoni Yannop
A
How many forms of dark matter are there? And why?
Catastrophe
Mar 14, 2023
Replies
6
Views
1K
Jun 20, 2023
Adoni Yannop
A
A
Universe evaporates?! Stupid! There is place, there, here, FLATLAND, where time does not exist (T=0), (t=0)!
Atlan0001
Jun 17, 2023
Replies
2
Views
502
Jun 18, 2023
Atlan0001
A
Parasitic drag in space
RobbyQbit
Jun 16, 2023
Replies
7
Views
735
Jun 17, 2023
billslugg
A
Relativity of simultaneity VS comoving size of observable universe
ASTROSTONER
Apr 13, 2023
Replies
1
Views
720
Jun 17, 2023
DarkClearSkies
D
Simplest Disproof of the Second Law of Thermodynamics
Pentcho Valev
Apr 10, 2023
Replies
2
Views
860
Jun 15, 2023
Adoni Yannop
A
Light before the Big Bang
RobbyQbit
Jun 11, 2023
Replies
6
Views
565
Jun 11, 2023
billslugg
Catalysts Disprove the Second Law of Thermodynamics
Pentcho Valev
Mar 12, 2023
Replies
3
Views
1K
Jun 11, 2023
Atlan0001
A
A
Secure Communication Via Quantum Entangled Particles
Atlan0001
Jun 8, 2023
Replies
11
Views
1K
Jun 9, 2023
Atlan0001
A
The Expanding-Space Cosmology as Oxymoron
Pentcho Valev
Apr 25, 2023
Replies
5
Views
1K
Jun 8, 2023
Atlan0001
A
Total energy of the system
RobbyQbit
Jun 4, 2023
Replies
16
Views
1K
Jun 7, 2023
Classical Motion
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