engineering recuitment JSSC JE Mock Test 2023 General Knowledge Geography (World Geography) Origin and evolution of Universe Solar system
In 1705, which scientist published 'A Synopsis of the Astronomy of Comets', which described the parabolic orbits of 24 comets that were observed from 1337 to 1698?
1
Edmund Halley
2
Johannes Kepler
3
Giovanni Cassini
4
Galileo Galilei