Mars exploration rovers

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Presentation transcript:

Mars exploration rovers

Mars Exploration Rovers 90-day mission Landed in early 2004 One lasted six years The other is still exploring!

Spirit Landing site picked from geomorphology Crater with channel running into it

Spirit Plain covered in basalt rocks Some basalts similar to Martian meteorites

Spirit Saw dust devils! http://marsrover.nasa.gov/gallery/press/spirit/20050819a/dd_enhanced_525b-B558R1.gif http://marsrover.nasa.gov/gallery/press/spirit/20050819a/dd_enhanced_532a-A579R1.gif

Spirit Traveled to the Columbia Hills

Spirit Rocks look like they’ve been hydrothermally altered! Evidence of water! Lava flow covered rocks altered by water

Spirit Got stuck in the sand in the Columbia Hills Couldn’t turn so solar panels faced south in winter Haven’t been able to raise it since March 2010 Gave up trying to talk to Spirit last month 

Opportunity Interplanetary hole in one! Rolled into a small crater called Eagle Crater Sulfate-rich BEDROCK(!!!) right in front of the rover

Opportunity Landing site chosen by mineralogy High concentration of hematite

Opportunity Embedded in sulfate-rich bedrock – blueberries! Hematite spherules Evidence of water

Opportunity Found meteorites on Mars!

Opportunity Traveled to Victoria Crater Many layers of bedrock

Opportunity On its way to Endeavor Crater – just surpassed 30 km! 22 km (14 miles) in diameter

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