Question:

Distance to far galaxies.

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Which of the following objects would be used to obtain a distance estimate to the most distant galaxies.

Choose one.

A. Cepheid Variable

B. Planetary Nebula

C. Herbig-Haro Object

D. Supernova

E. Bok globule.

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1 ANSWERS


  1. Cepheids and supernovae.

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