A large celestial body that is composed of gas and that emits light is called what?

• a planet

• a comet

• a nebula

• a star

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is a collection of millions to billions of stars, held together by gravitational attraction?

• Black Hole

• Supernova

• Galaxy

• Quasar

A "light year" is what?

• the speed of light

• the distance that light travels in one year

• a year that is not heavy

• how many years light takes to travel a distance

Tags

NGSS.HS-ESS1-2

Fill in the blank. Without ____________, everything in space might be a veil of gas spread out throughout space.

• gravity

• supernovas

• stars

• galaxies

Tags

NGSS.HS-ESS1-3

An object so massive and dense that not even light can escape is called what?

• A Nebula

• A Black Hole

• A Supernova

• A Red Giant

How are stars powered up?

• energy from other stars

• gravitational force

• magnetic force

• nuclear fusion

Tags

NGSS.HS-ESS1-1

How long does it take our solar system to complete one orbit of our galaxy?

• 226 million light years

• 10 million light years

• 226 million years

• 100,000 light years

Tags

NGSS.HS-ESS1-4

All of the following can be the final stages (or death) of a star except which?

• Neutron star

• Black hole

• White dwarf

• Stellar nebula

Which is the "brightest" star in the sky?

• Proxima Centauri

• Sirius

• Polaris

• The North Star

A large, reddish star, late in its life cycle is referred to as what?

• A red dwarf

• A red giant

• A red nebula

• A red protostar

Tags

NGSS.HS-ESS1-3