FLASHCARDS: Solar Nebular/Big Bang

Front

How does the Solar Nebular Theory explain the formation of the asteroid belt?

Back

It's leftover rocky particles that never formed a planet

Front

How long ago did the Big Bang occur?

Back

13.8 billion years ago

Front

The theory that explains the formation of the solar system is called ____.

Back

Solar Nebular Theory

Front

What caused the nebula to collapse and start spinning?

Back

Nearby star exploded

Front

A giant sphere that emits its own light. Hydrogen atoms collide and fusion takes place. This is a ___________

Back

Star

Front

What is the accretion process in planetary formation?

Back

Rocky particles collide, stick together and grow larger over time.

Front

What does the Nebular Hypothesis suggest about the formation of the solar system?

Back

It was formed from a dense cloud of gas and dust.

Front

What is the first step in the formation of the solar system according to the Nebular Hypothesis?

Back

Nebula contracts

Front

Which theory explains that the universe began as a bubble of energy that was hot and dense and rapidly expanded?

Back

Big Bang Theory

Front

Rocky particles collide and stick together to make larger rocky bodies called _______.

Back

planetesimals