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abstraction > mathematical concept > number > quantity > mass > luminous mass |
luminous mass | ||||
subject | fact |
luminous mass | has definition The mass contributed by luminous matter in galaxies (see missing mass). Luminous mass density, 5 × 10-32 g cm-3 for H0 = 50 km s-1 Mpc-1. | |
is an instance of mass | ||
mass | has unit mass unit | |
number | has value |