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OOO
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The far away galaxies are moving faster which Hubble concluded from their redshift. Could he also have come to the conclusion that the observed redshift is of gravitational (or more generally: geometrical, as resulting from a "weird" metric) origin ?
Does anybody know what a vacuum solution of Einstein's equations would have to look like in order to attract objects to the outside (if that's possible at all) ? What sources (energy-momentum distribution) would this imply ?
Does anybody know what a vacuum solution of Einstein's equations would have to look like in order to attract objects to the outside (if that's possible at all) ? What sources (energy-momentum distribution) would this imply ?