query: Is it correct that a sphere of water the size of Venus's orbit would instantly be a black hole?
positive_passages.docid: 52339
positive_passages.text: How can super massive black holes have a lower density than water?
negative_passages.docid: 58356
negative_passages.text: Do all black holes have a singularity?
negative_passages.docid: 153819
negative_passages.text: Why is $p_\phi$ conserved in a Schwarzschild orbit?
negative_passages.docid: 67336
negative_passages.text: What is the shape of a black hole?
negative_passages.docid: 87913
negative_passages.text: Could there be a star orbiting around a planet?
negative_passages.docid: 99437
negative_passages.text: Using a naked black hole as a mirror?
negative_passages.docid: 135375
negative_passages.text: A Hollow Black Hole
negative_passages.docid: 22633
negative_passages.text: How close does light have to be, to orbit a perfect sphere the size and mass of Earth?
negative_passages.docid: 90481
negative_passages.text: 3D donuts and the centre of a black hole
negative_passages.docid: 71847
negative_passages.text: Is there any evidence of black holes existing?
negative_passages.docid: 85078
negative_passages.text: Why must a singularity form inside a black hole?
negative_passages.docid: 39024
negative_passages.text: How precisely does a star collapse into a black hole?
negative_passages.docid: 75483
negative_passages.text: Is there a limit as to how fast a black hole can grow?
negative_passages.docid: 22010
negative_passages.text: Does a diatomic molecule falling into a black hole dissociate?
negative_passages.docid: 96985
negative_passages.text: Can a black hole be explained by newtonian gravity?
negative_passages.docid: 6531
negative_passages.text: Can black holes grow via accretion of dark matter particles?
negative_passages.docid: 69908
negative_passages.text: Black hole photography