According to the Big Bang Theory, how did a star form from a cloud of dust and gas?
A)The Big Bang blew the dust and gas particles together.
B)Solar winds blew the dust and gas particles together.
C)Magnetism drew the dust and gas particles together.
D)Gravity pulled the dust and gas particles together.

Question

According to the Big Bang Theory, how did a star form from a cloud of dust and gas? 
A)The Big Bang blew the dust and gas particles together. 
B)Solar winds blew the dust and gas particles together.
 C)Magnetism drew the dust and gas particles together. 
D)Gravity pulled the dust and gas particles together.

anonymous · Answer

D) Self explanatory. Still, if u want an explanation, pls ask.

ghazi · Answer

it's D , gravity causes the gas to contract, its temperature rises, eventually becoming hot enough to trigger a nuclear reaction in its atoms