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Science 1 October 1999:
Vol. 286. no. 5437, p. 18
DOI: 10.1126/science.286.5437.18a
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News of the Week

PLANETARY SCIENCE:
No Easy Answers in Mars Probe's Fiery Death

Richard A. Kerr

Did the world's best spacecraft navigation team simply miss? When the Mars Climate Orbiter spacecraft, scheduled to enter orbit last week for a 2-year mission to study martian weather, dipped too far into the atmosphere on its arrival last week and perished, officials at the Jet Propulsion Laboratory in Pasadena, California, pointed a finger at the lab's navigation experts. Yet some outsiders suspect that may not be the full explanation, noting that the team has been unfailingly flawless in shepherding spacecraft to their destinations.

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