21. Indeed, the Schwarzschild solution for negative mass parameter has a naked singularity at a fixed spatial position. 22. Does antimatter have positive or negative mass ? 23. :Virtual particles can have negative mass . 24. Both general relativity and Newtonian gravity appear to predict that negative mass would produce a repulsive gravitational field. 25. :Negative mass is an interesting read. 26. The article you're looking for is negative mass . talk ) 22 : 37, 28 July 2016 ( UTC) 27. The Standard Model of particle physics, which describes all presently known forms of matter, does not include negative mass . 28. Exotic mass has been considered a colloquial term for matters such as dark matter, negative mass , or complex mass. 29. So once this runaway phenomenon has been revealed, the scientific community considered negative mass could not exist in the universe. 30. Would we have a black hole with negative mass ? talk ) 08 : 06, 17 August 2008 ( UTC)
