Why does dark matter form a halo, Unlike normal matter?
92997
If dark matter only interacts with gravity, why doesn't it all clump together in a single point?
43141
Why is the relationship between atomic number and density not linear?
156003
Dark energy and dark matter
107125
Why is an image formed when two light rays coming from an object intercept?
457
Could Dark Matter form black hole?
114917
Why is dark matter the best theory available to explain missing mass problems?
60172
How to explain $E=mc^2$ mass defect in fission/fusion?
82732
Why people think dark matter as a massive particle? Couldn't it be gravitational waves?
118815
What makes matter travel along geodesics?
29994
Why are some galaxies flat?
13269
How would we tell antimatter galaxies apart?
13221
How would normal matter behave under conditions found in the core of the sun?
76179
Galactic Rotation Speeds - Ehrenfest Paradox, Gravitational time dilation, Dark Matter - all of the above?
78910
What causes matter to initially rotate/spin/orbit?
99680
The Dual Nature of Matter
52339
How can super massive black holes have a lower density than water?
57945
How do we know dark matter isn't curved spacetime?