A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 227
e nebulous mass surrounding it was of a blu-ish-green tinge. Its tail was of peculiar form and appearance,extending about 25°, with a breadth of nearly 6°. «. The investigation of its elements by Argelander is the most com-plete ever made. He assigns it a period of more than 3,000 years,… … GBEAT COMKT OF 1843. extraordinary size and splendor, it being visible in some partsof the world during the day time. It had a tail 60° long, andapproached within a very short distance of the sun,—about75,000 miles from its surface. Its period is variously esti-mated at from 175 to 376 years. Its…
Astronomy
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