Edmond Halley
Videos
Edmond Halley was an English astronomer, mathematician and physicist. He was the second Astronomer Royal in Britain, succeeding John Flamsteed in 1720.
Portrait by Thomas Murray, c. 1690
Portrait of Halley by Richard Phillips
Site of Halley's Observatory on the island of Saint Helena in the South Atlantic Ocean
First page to volume I of Miscellanea curiosa published by the Royal Society (1705), in which Halley wrote "An estimate of the quantity of vapours raised out of the sea, derived from experiment"
Hollow Earth
Videos
The Hollow Earth is a concept proposing that the planet Earth is entirely hollow or contains a substantial interior space. Notably suggested in the late 17th century by Edmond Halley, the notion was l
Edmond Halley
…John Tillotson, and Bishop Stillingfleet, and the post went instead to David Gregory, who had Newton's support. In 1692, Halley put forth the idea of a hollow Earth consisting of a shell about 500 miles (800 km) thick, two inner concentric shells and an innermost core. He suggested that atmospheres separated these…
Chapel, bell tower and penitential beds on Station Island. The bell tower stands on a mound that is the site of a cave which, according to various myths, is an entrance to a place of purgatory inside the Earth. The cave has been closed since October 25, 1632.