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How does Earth have a magnetic field when it doesn't meet the electromagnetic requirements (an iron core is insufficient)?
Space Crumpet
May 10, 2024
2
Replies
26
Views
890
Friday at 10:12 AM
arturo.v.dominguez@gmail.
Question
AXION GLUON MATTER AS DARK MATTER
Harry Costas
Jun 25, 2023
2
3
4
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80
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10K
Thursday at 9:18 AM
Harry Costas
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Condensates
Harry Costas
Apr 13, 2021
3
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5
6
7
Replies
161
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52K
May 5, 2024
Harry Costas
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How do stars form?
Harry Costas
Mar 6, 2022
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3
4
5
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100
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24K
Apr 30, 2024
Harry Costas
N
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Light escaping from a black hole?
nikkiv98
Dec 11, 2023
Replies
4
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2K
Apr 29, 2024
Gibsense
E
Question
black holes
E.B.E1
Apr 25, 2024
Replies
3
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363
Apr 28, 2024
Cigarshaped
C
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CYCLIC UNIVERSE
Harry Costas
Sep 23, 2022
3
4
5
6
7
Replies
155
Views
32K
Apr 26, 2024
Harry Costas
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Infinity or not infinity that is the question.
Harry Costas
Aug 2, 2023
2
3
4
Replies
91
Views
10K
Apr 26, 2024
Harry Costas
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Why is the horizon of the observable universe?
Greenlight
Mar 6, 2024
Replies
13
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1K
Apr 21, 2024
Atlan0001
A
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Why We Haven’t Met Any Aliens Yet?
arturo.v.dominguez@gmail.
Feb 23, 2024
2
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46
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3K
Apr 18, 2024
Gibsense
E
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our universe is our god
E.B.E1
Apr 7, 2024
Replies
10
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792
Apr 12, 2024
E.B.E1
E
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Isn't the speed of light arbitrary?
Questioner
Mar 21, 2024
Replies
9
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841
Apr 9, 2024
Wenjun Fo
W
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Does blue light have more mass than red light?
Questioner
Apr 5, 2024
Replies
7
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503
Apr 6, 2024
billslugg
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Hubble's Law
Fire-Starter James
Feb 16, 2024
2
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29
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2K
Feb 23, 2024
Fire-Starter James
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will we ever be able to go in a different galaxy?
Moon
Nov 18, 2021
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77
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25K
Feb 11, 2024
Atlan0001
A
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Does Time exist and if not what really is Time Dilation?
james fairclear
Jan 3, 2021
2
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42
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12K
Jan 8, 2024
Gibsense
U
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Does "dark matter" flow into black holes, and if not, why not?
Unclear Engineer
Sep 5, 2022
Replies
22
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5K
Dec 6, 2023
Ed Stauffer
J
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Time dilation
J@i
Oct 10, 2023
Replies
4
Views
2K
Oct 18, 2023
J@i
J
B
Question
Space & Time vs Mass & Energy
behruzi
Sep 28, 2023
Replies
2
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1K
Sep 28, 2023
Classical Motion
Q
Question
Can an entangled photon go past the event horizon of a black hole & if so what might happen?
Questioner
Sep 24, 2023
Replies
5
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1K
Sep 27, 2023
Phillip Huggan
Q
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Perfect Gravity Lens?
Questioner
Sep 22, 2023
Replies
3
Views
1K
Sep 23, 2023
jim_robison
A
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if you tied a rope would the rope expand or break?
ASTROSTONER
Jul 10, 2023
Replies
2
Views
2K
Aug 5, 2023
Atlan0001
A
J
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When we look back in time using Hubble or JWST?
J@i
Jul 14, 2022
2
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36
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8K
Jun 7, 2023
RobbyQbit
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Is a black holes event horizon size relative to your distance to it?
Greenlight
Apr 1, 2022
Replies
7
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5K
May 22, 2023
ASTROSTONER
A
K
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Anyone here discuss alternatives to the “big bang” theory regarding origin of the universe?
Keefer
Apr 6, 2023
2
Replies
34
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5K
May 16, 2023
김세현
A
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Could Dark energy be Hawking Radiation?
ASTROSTONER
Apr 22, 2023
Replies
0
Views
1K
Apr 22, 2023
ASTROSTONER
A
A
Question
Is the expansion of the universe constant in all reference frames?
ASTROSTONER
Nov 14, 2022
Replies
13
Views
3K
Dec 6, 2022
billslugg
Question
Locally Unreal Universe
SIDexplorer
Nov 6, 2022
Replies
17
Views
5K
Nov 12, 2022
SIDexplorer
Question
Calculating the Universe and is it possible the universe expanded first from information?
Stellarwest
Aug 16, 2022
Replies
10
Views
3K
Aug 21, 2022
Unclear Engineer
U
J
Question
Traveling at a Speed of Light and Ageing
J@i
Jul 27, 2022
Replies
6
Views
3K
Aug 11, 2022
Helio
Question
Question
What do you think could have happened to Antimatter?
IG2007
Jul 23, 2022
Replies
13
Views
3K
Aug 3, 2022
Catastrophe
J
Question
Superclusters motion
J@i
Aug 2, 2022
Replies
2
Views
2K
Aug 3, 2022
J@i
J
J
Question
Is Gravitational Wave the same as Gravity?
J@i
Jul 19, 2022
Replies
9
Views
3K
Jul 23, 2022
Helio
J
Question
Travel Light Years
J@i
Jul 14, 2022
Replies
3
Views
2K
Jul 14, 2022
Helio
Question
Milky Way headed toward the Great attractor?
Greenlight
May 16, 2022
Replies
2
Views
3K
May 16, 2022
Catastrophe
Question
Is lorentz contraction detectable and verifiable by our motion through the universe?
Greenlight
Apr 3, 2022
Replies
13
Views
5K
May 9, 2022
Helio
R
Question
Matter Antimatter collisions in a Quantum World
Ray Gunn
Dec 19, 2021
Replies
3
Views
5K
Apr 3, 2022
iconoclast
I
T
Question
Are new stars being born...
Terra Australis
Sep 13, 2021
Replies
24
Views
9K
Apr 2, 2022
Harry Costas
Question
My view on: baryonic asymmetry, quantum field, dark matter, dark energy, intergalactic travel.
Captain Nemesis
Dec 26, 2021
Replies
12
Views
8K
Jan 20, 2022
Harry Costas
Question
Clarification of telescope zooming or its chronological accuracy (to be continued)
Captain Nemesis
Dec 22, 2021
Replies
7
Views
7K
Dec 30, 2021
Helio
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