space vocab

Front

Small object of rock/metal orbiting the sun

Back

asteroid

Front

Carrying capacity of an aircraft or launch vehicle, measured in weight.

Back

payload

Front

Unmanned exploratory spacecraft transmitting environmental data

Back

space probe

Front

Force between any two objects with mass

Back

gravity

Front

First four outer planets: Jupiter, Saturn, Uranus, Neptune

Back

gas giants

Front

Four inner planets: Mercury, Venus, Earth, Mars

Back

terrestrial planets

Front

A body of ice and dust traveling in a narrow orbit around the sun.

Back

comet

Front

One complete orbit made by a planet or satellite around another object.

Back

Revolve

Front

A separable, self-contained component of a spacecraft, interchangeable with others.

Back

space module

Front

Device to observe distant objects, making them appear closer.

Back

telescope