Venus’s Transit Between Earth and Sun Will Be Last Until 2117 - NYTimes.com:
"PHILADELPHIA — Observing the dark circle of Venus cross the face of the Sun on June 3, 1769, from his farm about 20 miles northwest of here, David Rittenhouse left a curious gap in his account of that day."
"Next Tuesday, Dr. Gingerich, now 82, will be at the Mount Wilson Observatory in California to watch his second, and last, transit of Venus."
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