News of the WeekSpace Physics

NASA Orders Make-or-Break Tests for Gravity Probe

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Science  09 May 2003:
Vol. 300, Issue 5621, pp. 880
DOI: 10.1126/science.300.5621.880a

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A controversial space mission to test Einstein's general theory of relativity last week was given a reprieve--or enough rope to hang itself. NASA managers have drawn up three tests for the over-budget and behind-schedule Gravity Probe-B (GPB) mission and have decreed that failing any one will doom the $600 million project, which is just months from launch.