query: Why does not dark matter gather and form celestial bodies?
positive_passages.docid: 92997
positive_passages.text: If dark matter only interacts with gravity, why doesn't it all clump together in a single point?
negative_passages.docid: 105369
negative_passages.text: Why does orbiting matter form an accretion disk?
negative_passages.docid: 63700
negative_passages.text: Why doesn't an orbiting body keep accelerating?
negative_passages.docid: 2842
negative_passages.text: Photons from stars--how do they fill in such large angular distances?
negative_passages.docid: 145327
negative_passages.text: Why is "gravitational" red-shift neglected in galaxy and galaxy cluster scales?
negative_passages.docid: 52112
negative_passages.text: Dark matter and dark energy references
negative_passages.docid: 129816
negative_passages.text: Experimental observation of matter/antimatter in the universe
negative_passages.docid: 31728
negative_passages.text: Galaxy rotation curve and dark matter
negative_passages.docid: 147500
negative_passages.text: Why do physicists think that the dark matter is cold?
negative_passages.docid: 38265
negative_passages.text: Why don't planets have Circular orbits?
negative_passages.docid: 156984
negative_passages.text: Is cold dark matter made of Higgs bosons?
negative_passages.docid: 101133
negative_passages.text: How does the Death Star gravity work?
negative_passages.docid: 92937
negative_passages.text: What exactly is 'Dark Matter'?
negative_passages.docid: 3617
negative_passages.text: Why doesn't the Moon fall onto the Earth?
negative_passages.docid: 457
negative_passages.text: Could Dark Matter form black hole?
negative_passages.docid: 12433
negative_passages.text: How do $\pi^0$ particles exist?
negative_passages.docid: 129234
negative_passages.text: Theory that gets rid of dark matter/energy