query: How do we know that the dark matter is cold or non-relativistic?
positive_passages.docid: 147500
positive_passages.text: Why do physicists think that the dark matter is cold?
negative_passages.docid: 57305
negative_passages.text: Relativistic Mass and Gravity
negative_passages.docid: 140005
negative_passages.text: How will a particle with energy less than $V_{\rm min}$ behave?
negative_passages.docid: 106989
negative_passages.text: How does dark matter halo outside a galaxy help to explain galaxy rotation curve?
negative_passages.docid: 157803
negative_passages.text: How the CMB anisotropy is linked to the existence of cold dark matter and dark energy?
negative_passages.docid: 58986
negative_passages.text: Why doesn't dark matter affect planetary motion?
negative_passages.docid: 13269
negative_passages.text: How would we tell antimatter galaxies apart?
negative_passages.docid: 23139
negative_passages.text: Am I seeing a particle orbiting a Morris-Thorne Wormhole?
negative_passages.docid: 60687
negative_passages.text: Solid objects inside the event horizon - can they remain "solid"?
negative_passages.docid: 156003
negative_passages.text: Dark energy and dark matter
negative_passages.docid: 141791
negative_passages.text: What would be the associated wavelength of the particle if its velocity is zero?
negative_passages.docid: 6531
negative_passages.text: Can black holes grow via accretion of dark matter particles?
negative_passages.docid: 92997
negative_passages.text: If dark matter only interacts with gravity, why doesn't it all clump together in a single point?
negative_passages.docid: 115879
negative_passages.text: Why can't dark matter be black holes?
negative_passages.docid: 18029
negative_passages.text: Prospects for detection of gravitons?
negative_passages.docid: 109872
negative_passages.text: How would neutron matter appear to the naked eye?
negative_passages.docid: 82732
negative_passages.text: Why people think dark matter as a massive particle? Couldn't it be gravitational waves?