query: How can black holes be observed to grow?
positive_passages.docid: 7809
positive_passages.text: How can anything ever fall into a black hole as seen from an outside observer?
negative_passages.docid: 86091
negative_passages.text: Can black holes actually merge?
negative_passages.docid: 96424
negative_passages.text: Why are orbits around black holes stable?
negative_passages.docid: 71709
negative_passages.text: When a star becomes a black hole, does its gravitational field become stronger?
negative_passages.docid: 44785
negative_passages.text: Do black holes have infinite areas and volumes?
negative_passages.docid: 48151
negative_passages.text: Do black holes violate the uncertainty principle?
negative_passages.docid: 39024
negative_passages.text: How precisely does a star collapse into a black hole?
negative_passages.docid: 117224
negative_passages.text: If you hover just above the event horizon of a black hole, would you see the future of the universe?
negative_passages.docid: 60592
negative_passages.text: Are electrons just incompletely evaporated black holes?
negative_passages.docid: 86612
negative_passages.text: How does one correctly interpret the behavior of the heat capacity of a charged black hole?
negative_passages.docid: 130652
negative_passages.text: Interstellar -- Black hole manipulation?
negative_passages.docid: 6232
negative_passages.text: Black Holes for Beginners
negative_passages.docid: 158777
negative_passages.text: How exactly does black hole evaporate?
negative_passages.docid: 107647
negative_passages.text: The uncertainty principle and black holes
negative_passages.docid: 22829
negative_passages.text: Black holes and positive/negative-energy particles
negative_passages.docid: 99437
negative_passages.text: Using a naked black hole as a mirror?
negative_passages.docid: 143244
negative_passages.text: How can black holes be so dense?