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Mars Exploration Rovers Update: Spirit Makes Tracks to Columbia Hills Opportunity Cruises into Extended Mission

A.J.S. Rayl • April 30, 2004

As Spirit continued her journey to the Columbia Hills in Gusev Crater, Opportunity cruised into her extended mission at Meridiani Planum this week, marking the milestone of the rovers' Martian adventure -- full mission success.

Mars Exploration Rovers Update: Spirit Gets 'Kicks' on Route 66 Opportunity Solves Martian Mystery

A.J.S. Rayl • April 17, 2004

This week, the Mars Exploration Rovers team successfully installed the new flight software it was uploading to Spirit and Opportunity last weekend. Now, the rovers have enhanced capabilities that should make their remaining Martian sols even safe and more productive, announced Jan Chodas, flight software manager, at the weekly news briefing at the Jet Propulsion Laboratory (JPL).

Updates from Past Recipients of the Shoemaker NEO Grants

Bruce Betts • April 16, 2004

Update as of March 24, 2004 2003 was a good year with 50,779 asteroid astrometric observations submitted, including known NEOs and the discovery of a new Aten-class object, 2003 UY12. Based upon the volume of astrometric observations submitted, observatory code 683 was the world's eighth most productive asteroid astrometry station.

Mars Exploration Rovers Update: NASA Approves Extended Missions Spirit & Opportunity Receive Upgrades

A.J.S. Rayl • April 09, 2004

As the Mars Exploration Rovers achieved new milestones on the Red Planet this week, NASA approved a plan to extend the missions for both Spirit and Opportunity to mid-September.

Mars Exploration Rovers Update: Spirit Finds Hints of Water in Mazatzal Opportunity Finds Hints of Hematite in Bounce Rock

A.J.S. Rayl • April 03, 2004

The Mars Exploration Rovers continued to crank out scientific findings about Mars this week: Spirit sent home clues of past ground water at Gusev Crater; Opportunity set a one-day distance driving record and returned to the scene of her arrival, the rock she bounced off on upon landing at Meridiani Planum.

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