E1ab Astronomy Review

Front

Rotation is the way Earth ______.

Back

spins

Front

This theory states that the universe began with a tremendous explosion 13.7 billion years ago

Back

This Big Bang Theory

Front

If a new star appeared in our solar system that was larger and heavier than the Sun, the planets would MOST LIKELY

Back

orbit the new star.

Front

The expansion of the universe gradually slowed down as the matter in the universe pulled on itself via gravity. Today, the universe is:
Options: still expanding, shrinking, staying the same

Back

still expanding

Front

This is a

Back

Heliocentric Model

Front

A telescope is used for

Back

the observation of objects far away.

Front

Our Universe is

Back

still expanding.

Front

How many stars are in our Solar System?

Back

one

Front

A Geocentric Model of our solar system has everything orbiting (revolving) around _____

Back

Earth

Front

A Heliocentric Model of our solar system has everything orbiting (revolving) around _____

Back

the Sun