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    Galactic

    Extrasolar Planets

    The origin of planets

    ISO searched for discs or rings of matter around stars. These are considered to be the first stage of planet formation, hence they are called 'protoplanetary discs'.

    Stellar Death

    Last Update: 24 Aug 2005

    • Shortcut URL
    • http://sci.esa.int/jump.cfm?oid=31354
    • Related Articles
    • Stellar Birth
    • Stellar Death
    • Extrasolar Planets

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