Gravity and the Universe

Front

Nearly all galaxies are __________.

Back

distributed unevenly

Front

The Solar system formed about ___________ billion years ago?

Back

4.6

Front

_____________ caused dust and gas particles to join together and form celestial bodies?

Back

Gravity

Front

Nuclear _____________ causes a star to 'burn.'

Back

fusion

Front

A/An _____________ is a galaxy that has a central part with 'arms' coming out from the center.

Back

spiral

Front

What is gravity?

Back

A force that attracts two bodies towards each other.

Front

What is a galaxy?

Back

A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter.

Front

What is the Milky Way?

Back

The galaxy that contains our Solar System.

Front

What is a black hole?

Back

A region of space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is the Big Bang Theory?

Back

The leading explanation about how the universe began, stating it started from a singular point and expanded.