Author Archives: William Sheehan

Observers and administrators gather at the US Naval Observatory in Washington, DC, in preparation for the American expeditions to the 1874 transit of Venus.

The Transit of Venus: Tales from the 18th and 19th Centuries

A magnificent rendezvous between the planet of love and the bright orb of the Sun. One of the most celebrated phenomena in astronomy. A sight unseen by anyone alive today. With superlatives like these describing a transit of Venus, it is little wonder that astronomers are eagerly awaiting the next one — June 8,...