The Universe

Large and small rocks or metallic masses orbiting the Sun; made up of materials similar to those that formed the planets

A celestial body of ice, dust, and rock with an elongated and elliptical orbit

A large grouping of stars in space

The attraction between two objects due to the invisible force of gravity; the gravitational pull from the Moon is primarily responsible for the tides that form on Earth

All of space and the matter space contains

The luminous star around which Earth and other planets revolve; composed mainly of hydrogen and helium

A celestial body consisting of a mass of gas held together by its own gravity in which the energy is generated by nuclear reactions in its interior

A star and the group of planets and other celestial bodies that are held by its gravitational attraction and revolve around it

Where an object is located in relation to another object

A large celestial body that revolves around a star in a solar system