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Nature 387, 747 (19 June 1997) |

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Space physicists plead for extended solar missions

Tony Reichhardt

Intense budget pressures are forcing a cash-strapped US National Aeronautics and Space Administration (NASA) to make the difficult decision about which of 10 current solar-terrestrial spacecraft missions should continue to operate beyond their planned lifetimes.Among those facing possible shutdown in the next 18 months are POLAR, WIND, GEOTAIL and the European-built Solar and Heliospheric Observatory (SOHO).