Which factor is essential to the initial formation of galaxies, for either of the theories describing galaxy evolution?(1 point)

Responses

Small lumps of material merge into larger clumps.
Small lumps of material merge into larger clumps.

Gravity acts on existing material, shaping it into a new form.
Gravity acts on existing material, shaping it into a new form.

The force of orbiting stars generates collisions.
The force of orbiting stars generates collisions.

Massive gas and dust clouds collapse.

1 answer

The essential factor to the initial formation of galaxies, considering the theories of galaxy evolution, is:

Massive gas and dust clouds collapse.

This collapse under gravity leads to the formation of stars and eventually galaxies.