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thenamehobbs thenamehobbs
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3 weeks ago

Which of the following objects can be used as a standard candle?



Cepheid variables



spiral galaxies



type II supernovae



quasars

Textbook 
ASTRO

ASTRO


Edition: 3rd
Authors:
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katiesaylerkatiesayler
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3 weeks ago
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thenamehobbs Author
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3 weeks ago
this is exactly what I needed
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Yesterday
Good timing, thanks!
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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