definitions
  • synonyms

distance modulus

noun

astronomy a measure of the distance, r, of a celestial object too far away to show measurable parallax. It is given by mM = 5 log(r /10), where m is its apparent magnitude (corrected for interstellar absorption) and M is its absolute magnitude

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Nearby words

distal myopathy, distally, distance, distance learning, distance medley, distance modulus, distance race, distance runner, distance university, distant, distant early warning
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