Which variable stars have pulsation periods between 1.5 hours and 1.2 days? A. Quasars B. Protostars C. Cepheid variables D. RR Lyrae variables
The stars that have pulsation periods between 1.5 hours and 1.2 days are RR Lyrae variables.
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Updated 3/31/2018 12:19:18 AM
Confirmed by yumdrea [3/31/2018 12:19:18 AM]
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Updated 152 days ago|6/27/2020 3:04:08 PM
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Added 152 days ago|6/27/2020 3:04:08 PM
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