In 1789, William Herschel completed construction of a 40- ft telescopes, one of the largest at the time. The 4-ft mirror alone weighed 1,000 lbs. With the help of his sister, Caroline, they expanded the view of the universe: https://t.co/q9U6uuFaxW. #astronomy #WomenInScience pic.twitter.com/fDfTnNEDrJ
— Science History Institute (@SciHistoryOrg) March 28, 2018
from http://twitter.com/SciHistoryOrg
on: March 28, 2018 at 02:30PM