Universe and Stars Review

All the matter and energy that exists is the __________.

• Galaxy

• Solar system

• Universe

• Earth

Tags

NGSS.HS-ESS1-2

A big, gassy body that gives off light is a ___________

• Planet

• Star

• Moon

• Rock

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

A cloud of dust and gas that is found in space is called a _____________.

• Nebula

• Solar system

• Galaxy

• Star

Many stars, gasses, and dust held together by gravity make up a _________________.

• Solar system

• Planet

• Galaxy

• Universe

A body that orbits around a planet, not a star, is called a ______________

• Moon

• sun

• star

• solar system

Tags

NGSS.HS-ESS1-4

The distance that light travels in one year is known as a ________________.

• Kilometer

• Mile

• Light-year

• Gazillionometer

A measure of how bright something is

• Light-year

• Luminosity

• Apparent magnitude

• Absolute magnitude

The brightness of a star as seen from Earth

• Absolute magnitude

• Apparent magnitude

The actual brightness of a star

• Absolute magnitude

• Apparent magnitude

A big explosion when a star collapses and throws its outer layer into space is called a _____________.

• Black hole

• Nebula

• Supernova

• Neutron star