Topic 6 Vocabulary FC

Front

An object that orbits a planet or any object that orbits around another object in space.

Back

satellite

Front

A ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion.

Back

star

Front

An object that orbits a star, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit.

Back

Planet

Front

A streak of light in the sky produced by the burning of a meteoroid in Earth’s atmosphere.

Back

Meteor

Front

A loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit.

Back

comet

Front

A pattern or grouping of stars that suggest the outline of a figure or object.

Back

Constellation

Front

Term describing a model of the universe in which Earth is at the center of the revolving planets and stars.

Back

Geocentric model

Front

Term describing a model of the solar system in which Earth and the other planets revolve around the sun.

Back

Heliocentric model

Front

An oval shape, which may be elongated or nearly circular; the shape of the planets’ orbits.

Back

ellipse

Front

Information or data that is gathered using one of the five senses—sight, touch, hearing, taste, or smell.

Back

Observations