Why do galaxies over time become more refined?
73523
Shapes of galaxies
3108
Why does space expansion not expand matter?
43888
Age of universe?
145327
Why is "gravitational" red-shift neglected in galaxy and galaxy cluster scales?
95493
Post Endgame, how is the flow of time different?
90676
Why do light sources appear as stars sometimes?
92343
Does cosmological time expand like space does?
84229
Why the galaxies form 2D planes (or spiral-like) instead of 3D balls (or spherical-like)?
75817
Why does the Coarse-grained Entropy increase?
105369
Why does orbiting matter form an accretion disk?
150875
What is the term for words that have changed meaning over time?
48497
Doesn't entropy increase backwards in time, too?
154529
Redshift and conformal time
136573
Gravitational lensing or cloud refraction?
102940
Why don't the black holes appear black in color in images of galaxies taken from HST?
90028
Formation of supermassive black holes
60805
objects distorted by the earths curvature