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M
Big Bang theory contradicts both Special and General relativity
Marvas
Monday at 3:29 AM
Astronomy
Replies
11
Views
235
Astronomy
6 minutes ago
Marvas
M
Stellar telescope deal: Save $230 on the Celestron Astro Fi 130
Admin
39 minutes ago
Article Commentary
Replies
0
Views
2
Article Commentary
39 minutes ago
Admin
Right again, Einstein! Scientists find where matter 'waterfalls' into black holes
Admin
Yesterday at 6:05 AM
Article Commentary
Replies
11
Views
119
Article Commentary
48 minutes ago
Marvas
M
Space mysteries: Do all planets have magnetic fields?
Admin
Yesterday at 8:05 AM
Article Commentary
Replies
3
Views
49
Article Commentary
Today at 4:39 AM
pennyturtle
P
A
From a drop of water....
Atlan0001
Apr 21, 2023
Cosmology
18
19
20
21
22
Replies
530
Views
58K
Cosmology
Today at 12:16 AM
Atlan0001
A
An asteroid will hit Earth at some point. What can we do about it?
Admin
Feb 21, 2024
Article Commentary
2
3
Replies
57
Views
1K
Article Commentary
Yesterday at 9:30 PM
Classical Motion
Black holes are mysterious, yet also deceptively simple − a new space mission may help physicists answer hairy questions about these astronomical o...
Admin
Yesterday at 9:06 AM
Article Commentary
Replies
6
Views
105
Article Commentary
Yesterday at 8:08 PM
Classical Motion
Goodbye infinity and all that infinite singularity and infinite density descriptions
Catastrophe
May 10, 2024
Cosmology
2
Replies
37
Views
2K
Cosmology
Yesterday at 6:05 PM
Atlan0001
A
Space Force orders 'jetpack' to give 2 years of maneuverability to military satellite
Admin
Yesterday at 6:05 PM
Article Commentary
Replies
0
Views
34
Article Commentary
Yesterday at 6:05 PM
Admin
Dream Chaser space plane arrives in Florida ahead of 1st launch to ISS (photo)
Admin
Yesterday at 5:05 PM
Article Commentary
Replies
0
Views
38
Article Commentary
Yesterday at 5:05 PM
Admin
Doctor Who 'Boom': Who are the marines fighting on Kastarion 3?
Admin
Yesterday at 4:10 PM
Article Commentary
Replies
0
Views
34
Article Commentary
Yesterday at 4:10 PM
Admin
China's Chang'e 6 mission gearing up for early June landing on moon's far side
Admin
Yesterday at 4:01 PM
Article Commentary
Replies
0
Views
47
Article Commentary
Yesterday at 4:01 PM
Admin
A comet approaching Earth could become brighter than the stars this fall
Admin
Yesterday at 3:05 PM
Article Commentary
Replies
0
Views
40
Article Commentary
Yesterday at 3:05 PM
Admin
Observe the sun in detail and save 25% on Celestron's EclipSmart binoculars
Admin
Yesterday at 3:05 PM
Article Commentary
Replies
0
Views
14
Article Commentary
Yesterday at 3:05 PM
Admin
The ancient Egyptian goddess of the sky and how I used modern astronomy to explore her link with the Milky Way
Admin
Monday at 10:06 AM
Article Commentary
Replies
6
Views
142
Article Commentary
Yesterday at 2:44 PM
Classical Motion
SpaceX launching next-gen US spy satellites early May 22
Admin
Yesterday at 2:35 PM
Article Commentary
Replies
0
Views
30
Article Commentary
Yesterday at 2:35 PM
Admin
Solar storm frenzy of May 2024 was strong enough to affect the deep sea
Admin
Monday at 1:05 PM
Article Commentary
Replies
2
Views
66
Article Commentary
Yesterday at 2:11 PM
billslugg
Introduce yourself! (And show us your swag)
sward
Oct 14, 2019
Forum Feedback & Competitions
8
9
10
11
12
Replies
287
Views
121K
Forum Feedback & Competitions
Yesterday at 2:05 PM
billslugg
SpaceX fuels up Starship megarocket ahead of 4th test flight (photos)
Admin
Monday at 5:35 PM
Article Commentary
Replies
1
Views
63
Article Commentary
Yesterday at 1:42 PM
Laz
Plants signal NASA satellites with waning 'glow' ahead of flash drought
Admin
Yesterday at 1:10 PM
Article Commentary
Replies
0
Views
32
Article Commentary
Yesterday at 1:10 PM
Admin
Best binoculars for long distance viewing 2024
Admin
Yesterday at 1:05 PM
Article Commentary
Replies
0
Views
39
Article Commentary
Yesterday at 1:05 PM
Admin
More on the Big Bang - what was before t = 0?
Catastrophe
Friday at 4:25 AM
Cosmology
2
Replies
39
Views
793
Cosmology
Yesterday at 12:09 PM
Atlan0001
A
Stars give tiny planets a gravitational 'squeeze' to strip away their atmospheres
Admin
Yesterday at 12:05 PM
Article Commentary
Replies
0
Views
27
Article Commentary
Yesterday at 12:05 PM
Admin
The enigma of what lies beyond our observable universe
Rorisang
Oct 17, 2023
Astronomy
2
Replies
36
Views
4K
Astronomy
Yesterday at 11:24 AM
Atlan0001
A
E
Question
black holes
E.B.E1
Apr 25, 2024
Cosmology
Replies
4
Views
427
Cosmology
Yesterday at 10:37 AM
E.B.E1
E
Young 'cotton candy' exoplanet the size of Jupiter may be shrinking into a super-Earth
Admin
Yesterday at 10:05 AM
Article Commentary
Replies
0
Views
36
Article Commentary
Yesterday at 10:05 AM
Admin
How do 'moving rulers shrink'? The strange physics behind special relativity
Admin
Monday at 11:05 AM
Article Commentary
Replies
12
Views
168
Article Commentary
Yesterday at 8:51 AM
Questioner
Q
M
The absurdity of space-time curvature and geodesics
Marvas
Yesterday at 8:39 AM
Astronomy
Replies
0
Views
73
Astronomy
Yesterday at 8:39 AM
Marvas
M
M
The Black hole conundrum
Marvas
Yesterday at 7:37 AM
Astronomy
Replies
0
Views
48
Astronomy
Yesterday at 7:37 AM
Marvas
M
Junk from a SpaceX Dragon 'trunk' may have crashed into a Canadian farmer's field (photos)
Admin
Friday at 9:05 AM
Article Commentary
Replies
9
Views
188
Article Commentary
Yesterday at 6:20 AM
Unclear Engineer
U
Something strange is happening with Earth's magnetic field tail
Admin
Monday at 5:35 PM
Article Commentary
Replies
1
Views
59
Article Commentary
Yesterday at 6:19 AM
Balter
An asteroid impact could wipe out an entire city — a space security expert explains NASA's plans to prevent a potential catastrophe
Admin
Apr 5, 2022
Article Commentary
Replies
17
Views
19K
Article Commentary
Yesterday at 6:18 AM
billslugg
The James Webb Space Telescope may have solved a puffy planet mystery. Here's how
Admin
Monday at 8:05 PM
Article Commentary
Replies
0
Views
38
Article Commentary
Monday at 8:05 PM
Admin
We may have just witnessed some of the strongest auroras in 500 years
Admin
Monday at 4:35 PM
Article Commentary
Replies
0
Views
50
Article Commentary
Monday at 4:35 PM
Admin
Perseverance rover's Mars rock sample may contain best evidence of possible ancient life
Admin
Monday at 4:06 PM
Article Commentary
Replies
0
Views
33
Article Commentary
Monday at 4:06 PM
Admin
This was a life-changing experience:' 1st Black astronaut candidate exults after suborbital launch (video)
Admin
Monday at 3:35 PM
Article Commentary
Replies
0
Views
80
Article Commentary
Monday at 3:35 PM
Admin
What did Noa see in the telescope in 'Kingdom of the Planet of the Apes?
Admin
Monday at 3:01 PM
Article Commentary
Replies
0
Views
46
Article Commentary
Monday at 3:01 PM
Admin
Dark energy could be getting weaker, suggesting the universe will end in a 'Big Crunch
Admin
Apr 16, 2024
Article Commentary
Replies
20
Views
635
Article Commentary
Monday at 2:41 PM
Atlan0001
A
Why a giant 'cold spot' in the cosmic microwave background has long perplexed astronomers
Admin
Sunday at 9:01 AM
Article Commentary
Replies
9
Views
178
Article Commentary
Monday at 2:12 PM
Classical Motion
How to watch bright red star Antares disappear behind the moon on May 23
Admin
Monday at 2:05 PM
Article Commentary
Replies
0
Views
37
Article Commentary
Monday at 2:05 PM
Admin
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