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staedtler staedtler
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7 years ago
Which of the following types of “standard candles” have been most effective for distance measurements to the most distant galaxies from the Sun?

(a)   Type Ia supernovae.
(b)   Bright Cepheid variable stars.
(c)   supermassive black holes at the centers of galaxies.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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papachulopapachulo
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7 years ago
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staedtler Author
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6 years ago
On behalf of my study group and I, thank you
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