https://padlet.com/daria_buyantueva/coulfadof462 People back then thought comets were sent by gods as a message like death or a disease. comets are made of Ice. So when they come closer to the sun they start melting and leave a tail behind. After they completely melted they leave an asteroid. Oort found the distance between the sun and earth, he also was the first one to use a radio telescope. The rest of the episode it was just about how Hooke stole the works of Newton. en-us 2017-05-19 11:14:20 UTC 2017-05-19 13:22:13 UTC hello@padlet.com duffyk https://padlet.com/daria_buyantueva/coulfadof462/wish/172797527 You have left out a major character in the episode, Halley. Halley was the real hero of the show. . .]]> 2017-05-19 13:21:32 UTC https://padlet.com/daria_buyantueva/coulfadof462/wish/172797527