Stars and Galaxies

Front

Place these objects in order from smallest to largest: Planets, solar system, galaxy, universe.

Back

Planets, solar system, galaxy, universe

Front

What is the name of our galaxy?

Back

Milky Way galaxy

Front

How many stars are in a galaxy.

Back

millions or billions

Front

What is responsible for holding the stars, gas, and dust together in a galaxy?

Back

gravity

Front

Is the Milky Way galaxy an example of an irregular galaxy?

Back

No, it is not. The Milky Way is a spiral galaxy.

Front

An immense cloud of dust & gas where stars are born

Back

nebula

Front

What is the life cycle of a medium sized star?

Back

Nebula, red giant, planetary nebula white dwarf, dead star

Front

What happens when a massive star's life ends?

Back

black hole or neutron star

Front

a massive ball of gas held together by gravity with a core so hot that nuclear fusion occurs

Back

star

Front

True or False
The Sun is the biggest star in the our galaxy.

Back

False