What is a Cepheid?
A Cepheid is a young star and a bright giant, but it is primarily a periodic variable, meaning its brightness varies over time. Its mass is 4 to 20 times the mass of the Sun.
What is a Cepheid?
A Cepheid is a young star and a bright giant, but it is primarily a periodic variable, meaning its brightness varies over time. Its mass is 4 to 20 times the mass of the Sun.
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