Unit 1 Solar System Review

Shooting stars are also known as...

The distance from the Earth to the Sun is used as a unit of measure...

The objects with the same mass, but weigh less on the moon than on Earth is because of...

a regular, repeating path that an object in space follows around another object is calle

What is spectroscopy?

Mercury, Venus, Earth, and Mars are called...

This object doesn't reflect light.

A small rocky or metallic object in outer space that enters the Earth's atmosphere is called.

What is the name of the youngest star?

The hottest stars are:

The sun, planets, and their moons along with asteroids and comets are together called?

A huge collection of gas, dust, and billions of stars is known as:

The reaction that supplies energy for stars is fusion.

A device used to make far away objects appear closer is called a

The length of one day on a planet is defined by the planets period of what?

To which category below does the sun belong?

2 factors that determine the strength of gravity pulling 2 objects together are

A celestial object consisting of a nucleus of ice and dust. When near the sun "a tail" of gas and dust appear

Stars began life as a huge cloud of gas and dust called a

The order of words from smallest to biggest is: Galaxy, Solar System, Universe