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Science 17 December 1999:
Vol. 286. no. 5448, pp. 2248 - 2249
DOI: 10.1126/science.286.5448.2248b
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News of the Week

MARS EXPLORATION:
Changes to Missions Could Delay Science

Andrew Lawler and Richard Kerr

With two Mars probes lost in less than 3 months, NASA is hurriedly organizing a blue-ribbon panel to reexamine its ambitious plans for a series of flights that would bring back martian soil and rocks in 2008. Meanwhile, NASA managers are considering whether to send additional navigation and communication systems to Mars to guide future spacecraft, a safety step that could delay some experiments.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)