Formation of Earth Flashcard

Front

What event marks the beginning of the Universe?

Back

The Big Bang, which occurred 14 billion years ago.

Front

What occurred after the Big Bang?

Back

A period of cooling in which matter formed.

Front

Do we know the origin of the initial energy dot in the Big Bang Theory?

Back

No, we do not know how or where it came into existence.

Front

Can energy be converted into mass?

Back

Yes, according to Einstein's theory of relativity (E=mc²).

Front

What is the name of our galaxy?

Back

The Milky Way Galaxy.

Front

What was the first formation as the Universe began to organize?

Back

Galaxies.

Front

What is the significance of the cooling period after the Big Bang?

Back

It allowed matter to form, leading to the creation of stars and galaxies.

Front

What is the relationship between energy and mass?

Back

Energy can be converted into mass and vice versa.

Front

What are galaxies primarily composed of?

Back

Stars, gas, dust, and dark matter.

Front

What is the role of gravity in the formation of galaxies?

Back

Gravity pulls matter together, allowing galaxies to form and evolve.