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2005 in science : ウィキペディア英語版 | 2005 in science
The year 2005 in science and technology involved some significant events. ==Astronomy==
* April 8 – Total solar eclipse * February 23 – Astronomers announce the discovery of a galaxy, VIRGOHI21, that consists almost entirely of dark matter. * March 23 – Two independent teams report the observation of light from planets circling two different stars, using the Spitzer infrared space telescope. Both groups detect a slight dimming in the light intensity during conjunction, when the planet is moving behind its sun's disk (occultation).〔 Results are published in ''Nature'' and ''The Astrophysical Journal''.〕 * May 18 – A second photograph by the Hubble Space Telescope confirms the discovery of two new moons of Pluto: Nix and Hydra. * October 3 – Annular solar eclipse
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