Serviss, Garrett Putman, 1851- [from old catalog] · New York, London, D. Appleton and company · leaf 95
s in some respects the most wonderful andinteresting in all the heavens. It is as famous for the varia-bility of its light as Mira, but it differs widely from that starboth in its period, which is very short, and in the extent ofthe changes it undergoes. During about two days and a 84 ASTRONOMY… … The Attendants op Alpha Persei. tude, being then about equal to the faint stars near it. Itremains thus obscured for only a few minutes, and then be-gins to brighten again, and in about four and a half hoursmore resumes its former brilliance. This phenomenon is veryeasily observed, for, as will be…
Astronomy
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