Thought experiment: Tethered galaxies - to the extreme
123846
How Does Hubble's Expansion Affect Two Rope-Tied Galaxies?
84229
Why the galaxies form 2D planes (or spiral-like) instead of 3D balls (or spherical-like)?
151855
Non-linearity and self-coupling of gravity
155629
Would a wormhole be able to move?
153929
White Hole Formation and Queries
99150
Is there evidence of dark matter in our galaxy?
152130
Maximum size of the observable universe?
65329
A Sphere of Black Holes
6232
Black Holes for Beginners
21173
Black hole formation as seen by a distant observer
9057
Why did the Tethered form a line in Us?
68188
Are scientists missing the point with distant cosmic objects, or is it just me?
85007
The "Satellite Paradox": Twin paradox in orbiting satellites
50360
How would wormhole-based FTL violate causality?
101884
Orange ring in a black hole image
31728
Galaxy rotation curve and dark matter
20775
Distribution of orbital velocities in a disk galaxy for N-body simulation?