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The year 1998 in science and technology involved many events, some of which are included below. ==Astronomy and space exploration== * January–September – Cosmologists from the Supernova Cosmology Project led by Saul Perlmutter and the High-z Supernova Search Team led by Adam Riess and Brian Schmidt publish evidence that the expansion rate of the universe is increasing. * January 6 – The Lunar Prospector spacecraft is launched into orbit around the Moon and later finds evidence for frozen water on the moon's surface. * February 26 – Total solar eclipse * March 2 – Data sent from the Galileo space probe indicates that Jupiter's moon Europa has a liquid ocean under a thick crust of ice. * March 5 – NASA announces that the Clementine probe orbiting the Moon has found enough water in polar craters to support a human colony and rocket-fuelling station. * March 13 – Penumbral lunar eclipse * July 5 – Japan launches a probe to Mars, and thus joins the United States and Russia as a space-exploring nation. * August 8 – Penumbral lunar eclipse * August 22 – Annular solar eclipse * September 6 – Penumbral lunar eclipse * October 29 – Space Shuttle Discovery blasts-off with 77-year-old John Glenn on board, making him the oldest person to go into space. He became the first American to orbit Earth on February 20, 1962. * November 20 – Zarya, the first module of the International Space Station, is launched. * The first of four 8.4 m reflecting telescopes opens in the Very Large Telescope program of the European Southern Observatory at Cerro Paranal in Chile. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「1998 in science」の詳細全文を読む スポンサード リンク
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