The observational fact about a cepheid variable star that leads to a measurement of its distance from earth is that its period o

Question

spayn [35]

2 years ago

13

The observational fact about a cepheid variable star that leads to a measurement of its distance from earth is that its period o

f variation is directly related to its

Geography

1 answer:

OleMash [197] · Answer 1 · 2022-05-17T00:08:38+03:00

OleMash [197]2 years ago

3 0

Answer:

absolute brightness

Explanation:

The observational fact about a cepheid variable star that leads to a measurement of its distance from earth is that its period of variation is directly related to its absolute brightness