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Trojan asteroid
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Trojan asteroids summary
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1 July 2002: The Solar and Heliospheric Observatory (SOHO) satellite reveals a massive solar eruption more than 30 times the Earth's diameter. The eruption formed when a loop of a magnetic field over the surface of the Sun trapped hot gas.
Brightest Star in the Solar System
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
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Trojan asteroid: References & Edit History

Article Contributors

Primary Contributors

  • Edward F. Tedesco
    Research Associate Professor, Space Science Center, University of New Hampshire, Durham.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Article revised and updated. Feb 11, 2020
Invalidated site: National Aeronautics and Space Administration - WISE Mission. Jun 18, 2018
Article revised and updated. Sep 12, 2016
Add new Web site: Swinburne University of Technology - Trojan Asteroids. Sep 25, 2012
Add new Web site: National Aeronautics and Space Administration - WISE Mission. Sep 25, 2012
Number of Jupiter, Mars, and Neptune Trojans updated. Material added about the first Earth Trojan. Aug 26, 2011
Article thoroughly revised. Jan 12, 2011
Article added to new online database. Jul 20, 1998
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