Which of the following is a pulsating variable star whose brightness varies in a very regular time period of about 1-50 days:
Submitted by: Administrator1. Lyrae star
2. Cepheid
3. Mira star
4. Cannon Star
Answer: B
Submitted by: Administrator
2. Cepheid
3. Mira star
4. Cannon Star
Answer: B
Submitted by: Administrator
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