Study Guide for The Universe and Its Stars Test

Stars are massive balls of __________, held together by gravity.

• rock

• dark matter

• gas

The brightest star in the sky is the _______.

• Red Giant

• sun

• moon

The sun is a _______star.

• yellow dwarf

• red giant

• supernova

The Earth ________ on its axis, which causes the sun to rise and set each day.

• revolves

• rotates

The Earth _______ around the Sun once every 365 days.

• revolves

• rotates

This object has an incredibly large mass and has the strongest gravity of anything in the Universe: ________

• Dark Matter

• Black Hole

How _____ a star is to us on Earth depends on its size and distance.

• gassy

• luminous

Scientists have provided evidence that proves the Big Bang is a fact.

• True

• False

Earth can be found in the Milky Way galaxy

• True

• False

Scientists believe that at the center of each galaxy is a black hole.

• True

• False