query: Supermassive Black holes at centers of galaxies
positive_passages.docid: 90028
positive_passages.text: Formation of supermassive black holes
negative_passages.docid: 116949
negative_passages.text: What gives mass to black hole?
negative_passages.docid: 91990
negative_passages.text: How can Quasars emit anything if they're black holes?
negative_passages.docid: 14212
negative_passages.text: Black holes in a head-on collision
negative_passages.docid: 36719
negative_passages.text: Gravitational time dilation at the earth's center
negative_passages.docid: 46927
negative_passages.text: What happens when the black hole at a galactic core eats the galaxy?
negative_passages.docid: 22829
negative_passages.text: Black holes and positive/negative-energy particles
negative_passages.docid: 3994
negative_passages.text: Is the observable region of the universe within the event horizon of a super-massive black hole?
negative_passages.docid: 14023
negative_passages.text: The arrow of time and the cosmology of a black hole interior
negative_passages.docid: 51684
negative_passages.text: Is it possible that black holes might devour all masses of the universe?
negative_passages.docid: 150425
negative_passages.text: Black hole collision and the event horizon
negative_passages.docid: 88969
negative_passages.text: Are black hole regarded as baryonic matter in cosmology?
negative_passages.docid: 57947
negative_passages.text: Calculate center of mass multiple integrals
negative_passages.docid: 29994
negative_passages.text: Why are some galaxies flat?
negative_passages.docid: 71847
negative_passages.text: Is there any evidence of black holes existing?
negative_passages.docid: 155680
negative_passages.text: Center of mass of 2D region
negative_passages.docid: 20960
negative_passages.text: Seeing the shadow of a black hole