mollytalulabrow4442 mollytalulabrow4442

06-05-2024
Geography

Answered

What is the most important use of Cepheid variables for astronomers?
a) the distance to a Cepheid variable can be found very easily
b) the characteristics of the pulsation of a Cepheid variable can be used to investigate conditions in the core of the star
c) the metal contant of a Cepheid variable can be found very easily
d) the diameter of a Cepheid variable can be found very easily

Answer :

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