—in 1531, 1607, 1682, 1759, and recently, in 1835. In 1607 the tail wassaid to have been over 30° in length ; but in 1835 the tail did not ex-ceed 12° Does it lose substance, or does the matter composing thotail condense ? or, have we received only exaggerated and distortedaccounts from the earlier… … Fears en- Professor Kendall, in his Uranography, speaking of the fears occa-tertained, by gjoned by comets, says: Another source of apprehension, with regardsome, t at ^Q cometS} arises from the possibility of their striking our earth. It isquite probable that even in the historical period the…
Astronomy
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