The size and mass of galaxies, and the mass of the universe

Details The size and mass of galaxies, and the mass of the universe The size and mass of galaxies, and the mass of the universe

Oct 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974apj...193l...1o&link_type=abstract

Astrophysical Journal, vol. 193, Oct. 1, 1974, pt. 2, p. L1-L4.

Mathematics

Logic

307

Cosmology, Size Determination, Spiral Galaxies, Density Distribution, Galactic Structure, Mass, Mass Ratios, Stellar Luminosity

Scientific paper

Presented arguments are shown to indicate that the mass of spiral
galaxies increases almost linearly with radius to nearly 1 Mpc. This
means that the total mass per giant spiral is of the order of 10 billion
solar masses. A local mean cosmological mass density is determined,
whose uncertainty is not less than a factor of 3.

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