Journey Through the Stars

Protostars are formed when gas particles collide in a supernova remnant.

Protostars are formed when gas particles collide in a planetary nebula.

Protostars are formed when gas particles collide in a white dwarf.

Protostars are formed when gas particles collide in a molecular cloud. (correct)

Chemical reactions

Nuclear fusion

Gravitational contraction (correct)

Electromagnetic radiation

Protostars do not emit any light or heat.

Protostars are not composed of gases and dust.

Protostars are smaller in size compared to stars.

Protostars have not yet reached a stable state of nuclear fusion. (correct)

<p>Gas particles colliding and producing thermal energy</p> Signup and view all the answers

<p>Through the use of telescopes</p> Signup and view all the answers