Components of The Universe

What galaxy do we live in?

Milky Way Galaxy

Spiral Galaxy

Whirlpool Galaxy

Largest Galaxy

What can be found at the center of most galaxies?

The Sun

Black Holes

Dying Stars

Astroids

The sun is a burning hot ball of gas. These characteristics makes the sun a(n) _____.

Planet

Red Supergiant

White Dwarf

Star

What is the largest type of star in the universe?

Main Sequence

Red Supergiant

Black Dwarf

Nebula

What type of star is the sun?

Main Sequence

White Dwarf

Supergiant

Red Supergiant

A _____ is a cloud of gas and dust where stars are created.

Black Dwarf

Supernova

Nebulae

Black Hole

A _____ is a gravitational field so strong that no matter or radiation can escape.

Nebulae

Planet

Black Hole

Milky Way

The Earth is a _____.

Star

Planet

Universe

Black Dwarf

A system of billions of stars, gas, and dust held together by gravitational attraction.

Galaxy

Universe

Nebulae

Light Year

What do Red Supergiants sometimes become after they die?

Black Dwarf

Main Sequence Star

Black Hole

White Dwarf

A theory that states the universe was created billions of years ago due to an explosion.

Explosive Theory

Doppler's Theory

Big Bang Theory

Theory of Relativity

A unit that measures the distance light travels in one year is called a(n) _____.

Kilometer

Kelvin

Milimeter

Light Year

How can you determine if a star is close to dying?

Color

Temperature

Size

Texture

What forms when the core of a star is swallowed by its own gravity?

Black Hole

Red Giant

Nebulae

Supernova

During the lifetime of a star, why does a star become very large and red?

Its core is expanding

It is experiencing uncontrolled nuclear reactions in its core

It is running out of hydrogen fuel

It is getting hotter

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