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JacobCooper21
Satellite imagery manufacturers
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2
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2K
hellopunyhumans
hellopunyhumans
chrisser
Drone on mars
10
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10
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4K
bearnard1616
bearnard1616
pittsburghjoe
Does the mathematical representation of an object falling into a black hole remain on the event horizon?
6
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6
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2K
Hartmann352
Hartmann352
Hartmann352
April 15, 2021: NASA’s New Horizons Reaches a Rare Space Milestone - at April 17 at 8:42 p.m. EDT it will be 50 AU from Earth
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1
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820
Hayseed
Hayseed
Hartmann352
Unknown Object Near Milky Way’s Supermassive Black Hole –“A Cosmic String from the Dawn of the Universe?”
1
Replies
1
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612
Hayseed
Hayseed
efarina96
Question Has Anyone Ever Tried to Calculate What the Observable Universe Looks Like "Presently"?
3
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3
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1K
Hayseed
Hayseed
Hartmann352
Mathematics possesses not only truth, but supreme beauty. -- Bertrand Russell. 3rd Earl Russell
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2
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971
Hayseed
Hayseed
S
Confused
3
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3
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2K
hellopunyhumans
hellopunyhumans
B
Gravitational waves: Is gravity a quantum force?
4
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4
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1K
cssjim
C
efarina96
God is Real. Being a Scientist Doesn't Mean You Get to Run Away From That.
4
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4
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1K
efarina96
efarina96
efarina96
Gravity *is* Eternity. Here's How That Works
7
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7
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1K
efarina96
efarina96
bearnard1616
The biggest object ever been discovered in space
4
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4
Views
1K
Hartmann352
Hartmann352
bearnard1616
Starlink
4
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4
Views
1K
Hartmann352
Hartmann352
bearnard1616
What if Venus became like a second Earth?
5
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5
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1K
Snorrie
S
bearnard1616
Elon Musk is 'highly confident' SpaceX will land humans on Mars by 2026. What do you think about that point? Is it real at all?
10
Replies
10
Views
3K
JacobCooper21
JacobCooper21
E
Question Why do these "Aliens space vehicles" always appear to have lights? How many probes have we sent to other planets with headlights or flashing lights?
8
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8
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1K
Snorrie
S
Theorist7
A Light Theory, possibly disliked by some of the types on here, connecting string theory to religion
5
Replies
5
Views
858
Hartmann352
Hartmann352
J
Two time physics questions
4
Replies
4
Views
1K
Hartmann352
Hartmann352
TommyJo
Which rocket engine can reasonably be considered optimal?
3
Replies
3
Views
1K
bearnard1616
bearnard1616
M
Question My "Refreshing Universe" Theory
1
Replies
1
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913
Hartmann352
Hartmann352
J
Aliens use this planet as a genetic laboratory.
17
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17
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2K
JeetsN123
JeetsN123
Theorist7
Infinity + Complexity + Relativity + POV, perfectly added... discuss
1
Replies
1
Views
612
hellopunyhumans
hellopunyhumans
Hartmann352
Primordial Filaments from Big Bang Hiding Half the Missing Matter of the Universe in galaxy cluster Abell 3391/95.
4
Replies
4
Views
6K
Hartmann352
Hartmann352
TommyJo
Are there any work on the creation of at least some kind of space elevator, or is it just talk?
2
Replies
2
Views
848
TommyJo
TommyJo
pittsburghjoe
Doesn't Anyone Question How Weird Our Number For Light Speed Is?
99
Replies
99
Views
17K
Hartmann352
Hartmann352
J
If Time does not exist what is an alternative interpretation of Time Dilation?
2
Replies
2
Views
855
Hartmann352
Hartmann352
M
1970 Time Travelling Messenger
9
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9
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1K
sarajo
S
TommyJo
Is Ecosene fuel really that promising?
1
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1
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1K
Hartmann352
Hartmann352
W
Does gravity exist without matter?
62
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62
Views
11K
Hartmann352
Hartmann352
C
What is the highest number before infinity?
11
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11
Views
2K
efarina96
efarina96
admin
Stellar Black Hole in Our Galaxy Is So Massive It Shouldn't Exist
21
Replies
21
Views
6K
Hartmann352
Hartmann352
TommyJo
Question about rocket engine
3
Replies
3
Views
1K
Freedman_263
F
TommyJo
Spacecraft to search for extraterrestrial life
1
Replies
1
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696
Snorrie
S
efarina96
The double-slit experiment contains all the mystery of quantum mechanics
1
Replies
1
Views
524
efarina96
efarina96
efarina96
  • Poll
2+2=4
2
Replies
2
Views
925
efarina96
efarina96
bearnard1616
The Nano Satellites
4
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4
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1K
bearnard1616
bearnard1616
P
Question Endless Amount of big bang's ?
1
Replies
1
Views
870
TommyJo
TommyJo
bearnard1616
The Nano satellites which are about to launch soon
2
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2
Views
993
Hayseed
Hayseed
cholbrook
dna=space
3
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3
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1K
JeetsN123
JeetsN123
P
CETI
6
Replies
6
Views
1K
Hayseed
Hayseed
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