Origin of the Universe

Front

When did the universe begin?

Back

About 14.4 billion years ago

Front

What does the Big Bang Theory state about the beginning of the universe?

Back

The universe was all in one place, and all of its matter and energy were squished into an infinitely small point, a singularity, then it exploded.

Front

What is the term used to describe the infinitely small point where all matter and energy were squished before the Big Bang?

Back

Singularity

Front

What eventually formed the stars and galaxies?

Back

The tremendous amount of material blown out by the explosion

Front

After about how many billion years did our solar system begin to form? Options: 10 billion years, 5 billion years, 15 billion years, 20 billion years

Back

10 billion years

Front

Understanding the current state of the Earth and Solar System helps us determine their formation by:

Back

Analyzing geological and astronomical data

Front

What is the currently accepted argument about how a Solar System can form?

Back

Nebular Hypothesis

Front

How many planets have been discovered orbiting other stars?

Back

Over two hundred planets have been discovered orbiting other stars.

Front

What have the processes that created our solar system also created?

Back

The processes have created an uncountable number of other solar systems.

Front

What begins to condense in the Nebular Hypothesis?

Back

A large gas cloud (nebula)