Astronomy Vocabulary

states that the UNIVERSE originated as a single mass when an explosion happened billions of years ago.

• Big Bang Theory

• Geocentric Theory

• Heliocentric Theory

• Theory of Relativity

Tags

NGSS.HS-ESS1-2

have landed on the surface.

• Meteor

• Meteorite

• Asteroid

• Comet

large chunks of rock or metal that orbit the Sun.

• Comet

• Meteor

• Asteroid

• Jupiter

states that the Sun and planets revolve around the Earth.

• Heliocentric Model

• Big Bang Theory

• Gravity Model

• Geocentric Model

states that the Earth and planets revolve around the Sun

• Heliocentric Model

• Big Bang Theory

• Gravity Model

• Geocentric Model

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

enter Earth’s atmosphere and move through it. Looks like a shooting star.

• Meteorite

• Meteor

• Asteroid

• Comet

a spiral-shaped galaxy that our Solar System is in, and where Earth is.

• Solar System

• Milky Way Galaxy

• Elliptical Galaxy

• Irregular Galaxy

Tags

NGSS.MS-ESS1-2

curved path of one object around another object in space.

• Orbit

• Gravity

• Sun

• Circle

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

floats in space. Would become a meteor if it entered Earth's atmosphere.

• Meteor

• Meteoroid

• Asteroid

• Comet

bright objects with a tail that moves quickly across the sky. Dirty space snowball.

• Asteroid

• Meteorite

• Comet

• Meteor