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Science 7 April 2000:
Vol. 288. no. 5463, p. 33
DOI: 10.1126/science.288.5463.33
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News Focus

SPACE SCIENCE:
NASA Returns to the Drawing Board to Plan Next Wave of Mars Missions

Andrew Lawler

Last week NASA embarked on a new course for its Mars missions. But coming up with the details for changing this complex program that was set to send orbiters and landers to Mars every 2 years will be a challenge.

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