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Summary
Last year, an instrument aboard the Solar and Heliospheric Observatory (SOHO) spacecraft dazzled solar physicists by finding oxygen ions in the sun's corona at temperatures of 100 million degrees Celsius--many times hotter than expected. In an upcoming issue of Solar Physics, the team that operates SOHO's Ultraviolet Coronagraph Spectrometer drops another bombshell: a strong hint of the mysterious mechanism that generates these sizzling temperatures and, in so doing, drives the solar wind (see main text).
