The Solar System

Front

How many stars are in our solar system?

Back

1

Front

Which is the largest planet in our solar system?

Back

Jupiter

Front

Which planet can be found in the inner planet ring?

Back

Earth

Front

How many stars are estimated to be in the Milky Way galaxy?

Back

Over 100 billion

Front

A __________ is a cloud of gas and dust held between stars.

Back

nebula

Front

What is the center of our solar system?

Back

The Sun

Front

What are the four inner planets called?

Back

Mercury, Venus, Earth, Mars

Front

What are the four outer planets called?

Back

Jupiter, Saturn, Uranus, Neptune

Front

What is a planet?

Back

A celestial body that orbits a star and is large enough to be rounded by its own gravity.

Front

What is a galaxy?

Back

A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter.