ospineres6197 ospineres6197
  • 11-03-2024
  • Mathematics
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What does the Cepheid mean visual magnitude curve represent?
a) The variation in brightness of a Cepheid variable star over time
b) The average visual magnitude of Cepheid stars
c) The distribution of Cepheid stars in the night sky
d) The relationship between visual magnitude and distance for Cepheid stars

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