Are galaxies merely groups of nearby stars that collected together, or do the stars share a common birth?
6458
Structure formation: Galaxies as different entities and stars as groups
115849
Are the Groups having all subgroups of same order conjugate classified?
140496
Can a Space Marine army consist of units from different chapters?
142416
Why are stars white?
44311
The Cracks in the Universe: Why are they lethal to some, but not to others?
88969
Are black hole regarded as baryonic matter in cosmology?
96397
Optical explanation of images of stars?
106989
How does dark matter halo outside a galaxy help to explain galaxy rotation curve?
105369
Why does orbiting matter form an accretion disk?
98096
Group of $r$ people at least three people have the same birthday?
40852
Number of ways of distributing $n$ identical objects among $r$ groups
64734
Distribution of Dark Matter around galaxies
140945
Interstellar dust/matter distribution
130146
Smolin on Cosmological selection and neutron stars
145327
Why is "gravitational" red-shift neglected in galaxy and galaxy cluster scales?
10362
Does the universe have a center?
20775
Distribution of orbital velocities in a disk galaxy for N-body simulation?