2 ms·
I'm not the OP but I mentioned this briefly in my other comment[0]: Even vacuum black holes carry mass. As a starting point, search for "ADM mass" or have a loo
by codethief 4y ago
I'm not the OP but I mentioned this briefly in my other comment[0]: Even vacuum black holes carry mass. As a starting point, search for "ADM mass" or have a look at Wikipedia. [1]
[0]: https://news.ycombinator.com/item?id=34898647 https://news.ycombinator.com/item?id=34898647
[1]: https://en.wikipedia.org/wiki/Mass_in_general_relativity#ADM_and_Bondi_masses_in_asymptotically_flat_space-times https://en.wikipedia.org/wiki/Mass_in_general_relativity#ADM...
- hungryforcodes 4y agoYeah. I see you are asking some of the same questions. After reading, the best answer I could find is that "quantum vacuum" is totally different than "classic vacuum". But what this really means I haven't figured out yet. The other person[0] responded to this thread by saying something like the curvature of space-time is curved, and there is no gravity in GR. So OK, but what causes the curvature if not mass / matter..? [0] : https://news.ycombinator.com/item?id=34899615 https://news.ycombinator.com/item?id=34899615
- codethief 4y agoI'll respond in the conversation thread you linked.
- codethief 4y agoOn a different note: We don't need to bring in quantum mechanics ("quantum vacuum") here. General Relativity is a purely classical (i.e. non-quantum) theory and doesn't care about quantum mechanics. So the vacuum we're talking about here is the "classic vacuum".