'After observing a comet in 1682, he proved it was the same one seen in 1607, 1531, 1456 ...'
(Edmund) Halley
THE 1600s: After observing a comet in 1682, he proved it was the same one seen in 1607, 1531, 1456 ...
After observing a comet in 1682, he proved it was the same one seen in 1607, 1531, 1456 ...
After observing a comet in 1682, he proved it was the same one seen in 1607, 1531, 1456 ...
THE 1600s
Edmund Halley
THE 1600s