Item 317555Six Months in Ascension. A Unscientific Account of a Scientific Expedition.
Price: $500
London: John Murray, 1878. Life on Ascension Island with her husband Scottish Astronomer David Gill to measure the solar parallax-the distance between the Earth and the Sun-by observing Mars, which was then the closest to Earth than it had been for a century. Read More Item Details for Six Months in Ascension. A Unscientific Account of a Scientific Expedition Add to Wish List
Item #317555