Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun astronomy a
plain on thesurface ofMars ; alanding site for severalunmanned missions
Etymologies
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Examples
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Opportunity originally touched down near the equator in an area called Meridiani Planum and almost immediately discovered evidence the plain was once covered by shallow, salty and highly acidic water.
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Now, Opportunity has turned up six other candidates on a Martian plain called Meridiani Planum, all of which appear to be related to each other.
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Meridiani Planum, that Opportunity travels on, has been so scoured by abrasion to loose some ~ 1 km of material, or so Wikipedia claims.
New Images Suggest More Recent Lakes on Mars | Universe Today 2010
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You can keep track of Opportunity's travels through Meridiani Planum on its way to Endeavour Crater at one of Stu's blogs, Road to Endeavour.
Opportunity Discovers Still Another Meteorite! Find It on Google Mars | Universe Today 2009
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When the similar crater question arose on Block Island, I found that the hypothesis probably from erosion and Opportunity data is, IIRC, that Meridiani Planum has weathered 1 km down.
Opportunity Finds Another Big Meteorite | Universe Today 2009
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They must have assumed that the surface that the rover was observing was horizontal, like so many surfaces in Meridiani Planum.
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They must have assumed that the surface that the rover was observing was horizontal, like so many surfaces in Meridiani Planum.
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This image from the High Resolution Imaging Science Experiment on NASA's Mars Reconnaissance Orbiter shows "Victoria crater," an impact crater at Meridiani Planum, near the equator of Mars.
Archive 2006-10-01 Mac 2006
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"The meteorite, dubbed "Heat Shield Rock," sits near debris of Opportunity's heat shield on the surface of Meridiani Planum, a cratered flatland that has been Opportunity's home since the robot landed on Mars nearly one year ago."
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Squyres said data from the previous day's activities at Meridiani Planum indicated that "all six wheels are on top of the soil."
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