Elements of astronomy ... with explanatory notes, and questions for examination (1855)
Brocklesby, John, 1811-1889 · New York, Farmer, Brace & co. · leaf 319
f their immense distance from us. 786. In this cluster, Sir William Herschel estimated 1. From the Greek word gala, signifying milk. Describe some of the stellar clusters ? What does Sir John Herschel say in regard tosteliar clusters ? What is the usual appearance presented by the central portion… … A GLOBULAR CLUSTER OF STARS IN HERCULES. that, during one hours observation with his telescope, noless than 50,000 stars passed before his sight within azone 2° in breadth. Sir John Herschel has computedthat the number of stars in the milky way, sufficientlyvisible to be counted, when viewed with…
Astronomy
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