Suppose we observe a cepheid variable in a distant galaxy. The cepheid brightens and dims with a regular period of about 10 days. What can we learn from this observation?.

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asked Mar 2, 2023 180k views

17 votes

Suppose we observe a cepheid variable in a distant galaxy. The cepheid brightens and dims with a regular period of about 10 days. What can we learn from this observation?.

Physics
high-school

Sergei Klinov asked

by Sergei Klinov

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1 Answer

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Answer:

something is passing infront of it

Step-by-step explanation:

something is orbiting it and blocking its light

Abhinav Kumar answered Mar 7, 2023

by Abhinav Kumar

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