Any object that orbits a planet:

• Star

• Constellation

• Satellite

• Comet

A giant ball of hot gases, made mostly of hydrogen and helium:

• Constellation

• Asteroid

• Meteor

• Star

A streak of light produced when a small piece of rock enters Earth's atmosphere and burns up:

• Planet

• Constellation

• Star

• Meteor

A ball of dust and ice that forms a tail when it approaches the sun:

• Comet

• Meteor

• Star

• Satellite

A pattern or group of stars, sometimes named for people or animals:

• Solar system

• Planet

• Constellation

• Star

Model of the solar system showing that Earth is at the center:

• Constellation

• Heliocentric

• Solar system

• Geocentric

Model of the solar system showing that the Sun is at the center:

• Geocentric

• Ellipse

• Solar system

• Heliocentric

Shape of each planet's orbit around the sun, oval shaped instead of a perfect circle:

• Round

• Sphere

• Centripetal

• Ellipse

An object that orbits the sun and has become rounded by its own gravity:

• Asteroid

• Meteor

• Planet

• Satellite

Tags

NGSS.MS-ESS1-2