Teaching MPPSC Assistant Professor Mock Test Series 2025 General Knowledge Geography (World Geography) Origin and evolution of Universe Solar system
In 1950, which Russian astronomer revised the 'nebular hypothesis', proposing that the sun is surrounded by a solar nebula consisting mainly of hydrogen and helimm as well as dust?
1
Viktor Safronov
2
George Gamow
3
Naum Idelson
4
Otto Schmidt