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Home Q & A Board Science-Related Homework Help Physics Astronomy
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gisellerol gisellerol
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2 months ago

What allowed Henrietta Levitt to conclude that the pulsation period of Cepheid variables was related to their intrinsic brightness?



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Stars that are farther away appear dimmer.



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All Cepheid variables have the same luminosity.



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The stars in the Small Magellanic Cloud are nearly the same distance away.



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Her stellar models predicted the behaviour of stars in the instability strip.

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ASTRO

ASTRO


Edition: 3rd
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collegestudent1collegestudent1
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gisellerol Author
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2 months ago
this is exactly what I needed
Goku935
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Yesterday
You make an excellent tutor!
tcat
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2 hours ago
Smart ... Thanks!
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