Teaching Jharkhand (JSSC) TGT (6 to 8) Mock Test 2023-24 General Knowledge Geography (World Geography) Origin and evolution of Universe Solar system
According to Nebular hypothesis, how does a galaxy form?
1
By the accumulation of hydrogen gas in the form of a very large cloud called nebula
2
By the accumulation of oxygen gas in the form of a very large cloud called nebula
3
By a fission reaction of hydrogen gas
4
By the accumulation of oxygen gas