T4L1 Vocab

An object that orbits a planet.

An oval shape, which may be elongated or nearly circular, the shape of the planet's orbits.

The process of using one or more of your senses to gather information.

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

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

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

A pattern or grouping of stars people imagine that represents a figure or object.

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

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

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