To what distance in parsecs can Cepheid variables now be seen with the Hubble Space Telescope?

Name: To what distance in parsecs can Cepheid variables now be seen with the Hubble Space Telescope?
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Quizplus · Accepted Answer

Cepheid variables can be used as standard candles to measure celestial distances. With the Hubble Space Telescope, Cepheids can be observed up to a distance of about 30 megaparsecs (Mpc), which is equivalent to about 98 million light-years. Therefore, the best choice is B, about 30 Mpc.

To What Distance in Parsecs Can Cepheid Variables Now Be