Glossary term: Satellite

Description: A satellite is an object that orbits a planet, dwarf planet, or a smaller body such as an asteroid. These can be artificial satellites launched by humans or natural satellites, normally known as moons. The Earth has one natural satellite, the Moon, and many artificial satellites orbiting it.

The term satellite galaxy is also sometimes used to refer to one galaxy that orbits another galaxy.

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Term and definition status: This term and its definition have been approved by a research astronomer and a teacher

The OAE Multilingual Glossary is a project of the IAU Office of Astronomy for Education (OAE) in collaboration with the IAU Office of Astronomy Outreach (OAO). The terms and definitions were chosen, written and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits here. All glossary terms and their definitions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE".