Loading...

Glossary term: Proxima Centauri

Description: Proxima Centauri, also known as Alpha Centauri C, is the nearest star to the Sun at a distance of 4.2 light years. It is too faint to be seen with the naked eye. A red dwarf, it is smaller than the Sun in size and mass and has two known planets revolving around it. It belongs to the Alpha–Centauri star system which is comprised of three gravitationally bound stars.

Related Terms:


See this term in other languages

Term and definition status: This term and its definition is still awaiting approval

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".