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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
1769: Transit of Venus: American Philosophical Society Essays

1769: Transit of Venus: American Philosophical Society Essays

Ewing, John
Rittenhouse, David

Hardcover

Astronomy & Space

ISBN10: 1606188917
ISBN13: 9781606188910
Publisher: American Philosophical Society Press
Published: Jan 1 2012
Pages: 88
Weight: 0.90
Height: 0.31 Width: 7.00 Depth: 10.00
Language: English
The ToV occurs when Venus's orbit causes the planet to speed past the slower moving Earth and visibly cross the Sun, partially obscuring it. The ToV occur in pairs that are 8 years apart and tend to be separated in time by just over a century. The first person to predict and observe the ToV was James Horrocks, on Dec. 4, 1639. There were also ToV observed and recorded in 1761, 1769, 1874 and 1882. The 2012 ToV will be visible in the Americas on the evening of June 5, 2012. The next ToV does not occur until 2117. This vol. contains observations of the ToV on 6/3/1769, recorded by David Rittenhouse, who observed the ToV in Norriton, PA; and John Ewing, who observed the ToV on June 3 and the Transit of Mercury on 11/9/1769, in Phila. Illus.

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