Solar system

A ________ is a large ball of rock or gas that moves around the sun.

• star

• planet

_______ is the closest planet to the sun.

• Earth

• Mercury

------------ takes less time to orbit the sun than Earth takes

• Mercury

• Neptune

Planets closer to the sun take more time to make an orbit around the sun.

• True

• False

An ________ is the path a planet takes as it moves around the sun.

• solar system

• orbit

Earth takes ----------- to make one orbit around the sun.

• 365 days

• 88 days

-------- is the biggest planet in the solar system.

• Venus

• Jupiter

A ------- is a group of stars that forms a pattern.

• solar system

• constellation

A _______ is a huge ball of hot gases.

• star

• planet

______ is the closest star to Earth.

• Mars

• Sun