The Distance Modulus Formula (5.10.2) Flashcards Preview

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Flashcards in The Distance Modulus Formula (5.10.2) Deck (3)
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1
Q

• The distance modulus formula: M = 5 log r - 5.

A

• The distance modulus formula: M = 5 log r - 5.

2
Q
  • The variables in the distance modulus formula are:
  • M, for magnitude, which uses a star’s brightness as measured by the observer to calculate its distance from the observer.
  • r, the star’s distance measured in parsecs, a value equal to approximately 3.3 light years.
A
  • The variables in the distance modulus formula are:
  • M, for magnitude, which uses a star’s brightness as measured by the observer to calculate its distance from the observer.
  • r, the star’s distance measured in parsecs, a value equal to approximately 3.3 light years.
3
Q

• The distance modulus formula is used to calculate high distances.

A

• The distance modulus formula is used to calculate high distances.

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