Maximal mass and size of celestial bodies born from superstrings

Details Maximal mass and size of celestial bodies born from superstrings Maximal mass and size of celestial bodies born from superstrings

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ap%26ss.310..209m&link_type=abstract

Astrophysics and Space Science, Volume 310, Issue 3-4, pp. 209-210

Mathematics

Logic

2

Cosmology, Cosmological Constant, Superclusters, Superstrings

Scientific paper

The generalized Buchdahl inequality in the presence of a positive cosmological constant gives rise to a constraint on the mass density of celestial bodies. We find that such a constraint implies an upper bound on the mass and radius of spherical celestial bodies born from macroscopic superstrings. We obtain a maximal mass of about 1015 solar masses and a maximal radius of about 80 million light years, not far from the observed mass and size of the largest structures in the universe, viz. the superclusters of galaxies.

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