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Time Dilation: Discussion with Grok (Elon Musk's AI Device)
- Started by Pentcho Valev
- Today at 5:03 PM
- Replies: 2
Cosmology
B
Stage 1 Reaching Escape Velocity And Returning
- Started by Bhodi Li
- Today at 7:51 PM
- Replies: 0
Space Travel & SpaceX
Mars?
- Started by michaelreader
- Yesterday at 11:43 AM
- Replies: 12
Space Travel & SpaceX
A new perspective on Hubble's law through a four-dimensional spatial model: 4-Sphere-Cosmology
- Started by Claudio Marchesan
- Friday at 12:25 AM
- Replies: 32
Cosmology
A
Universal Motion Theory
- Started by Astraeus
- Apr 11, 2025
- Replies: 67
Cosmology
1968?
- Started by michaelreader
- Today at 1:31 PM
- Replies: 3
Space Travel & SpaceX
Space does not stretch: True or false
- Started by Gibsense
- Yesterday at 4:57 AM
- Replies: 10
Cosmology

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