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Glossary term: Giant Star

Description: A giant star is one which is significantly larger and brighter than most stars of its temperature type. The Sun, for instance, will be hundreds of times larger and brighter when it expands to become a red giant star. Stars become giants when they exhaust their hydrogen thermonuclear fuel and expand to use heavier elements as thermonuclear fuel. Examples include Arcturus, in Bootes, and Capella, in Auriga.

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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".