query: Where does the 10 km of neutrons stars comes from?
positive_passages.docid: 102336
positive_passages.text: Size and density of neutron stars
negative_passages.docid: 121231
negative_passages.text: How does gravity cause nuclear fusion in stars?
negative_passages.docid: 153197
negative_passages.text: Where are all the slow neutrinos?
negative_passages.docid: 136839
negative_passages.text: Is there a known isotope that generates anti-matter?
negative_passages.docid: 129003
negative_passages.text: Is there any way to attract or repel neutrons?
negative_passages.docid: 5145
negative_passages.text: From where (in space-time) does Hawking radiation originate?
negative_passages.docid: 128649
negative_passages.text: How did we 'discover' dark matter?
negative_passages.docid: 157639
negative_passages.text: What fraction of baryonic matter is in stars?
negative_passages.docid: 119050
negative_passages.text: Fundamental group of $S^2$ with north and south pole identified
negative_passages.docid: 47507
negative_passages.text: Spin - where does it come from?
negative_passages.docid: 68188
negative_passages.text: Are scientists missing the point with distant cosmic objects, or is it just me?
negative_passages.docid: 109872
negative_passages.text: How would neutron matter appear to the naked eye?
negative_passages.docid: 33629
negative_passages.text: Why does the Sun's (or other stars') nuclear reaction not use up all its "fuel" immediately?
negative_passages.docid: 63936
negative_passages.text: Would order 1AU metric expansion of space begin if the solar system were not inside a galaxy?
negative_passages.docid: 149331
negative_passages.text: With what probability does nuclear fusion occur at energies far below the Coulomb barrier?
negative_passages.docid: 100158
negative_passages.text: How to find Origin for Angular Momentum?
negative_passages.docid: 57039
negative_passages.text: Reference frame for the Cosmic Neutrino Background