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Block Island meteorite, officially. named Meridiani Planum 006 shortened as MP 006, was found on Mars by the ''Opportunity'' rover on July 17, 2009. It is about across.


History

Block Island was the first of three iron meteorites encountered by the rover on
Meridiani Planum Meridiani Planum (alternatively Terra Meridiani) is a large plain straddling the equator of Mars. The plain sits on top of an enormous body of sediments that contains bound water. The iron oxide in the spherules is crystalline (grey) hematite (Fe ...
within a few hundred meters, the others being Shelter Island (the second meteorite found), and
Mackinac Island Mackinac Island ( , ; ; ; ) is an island and resort area, covering in land area, in the U.S. state of Michigan. The name of the island in Odawa is Michilimackinac and "Mitchimakinak" in Ojibwemowin, meaning "Great Turtle". It is located in ...
(the third one found). No strong evidence exists concerning when Block Island may have fallen on Mars, though atmospheric conditions would have favored its arrival in the late Noachian period. Block Island may be extensively weathered, or conversely the features covering it may simply be the regmaglypts formed by its passage through the atmosphere. Contrary to some claims, Block Island is not too large for the modern martian atmosphere to produce, though the denser the atmosphere the more effectively it would produce Block Island mass meteorites.


See also

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Atmospheric reentry Atmospheric entry (sometimes listed as Vimpact or Ventry) is the movement of an object from outer space into and through the gases of an atmosphere of a planet, dwarf planet, or natural satellite. Atmospheric entry may be ''uncontrolled entry ...
*
Bounce Rock Bounce Rock is a football-sized primarily pyroxene rock found within the Meridiani Planum of the planet Mars. It was discovered and observed by the Mars Exploration Rover '' Opportunity'' in April 2004. The rock was named for it having been stru ...
*
Glossary of meteoritics This is a glossary of terms used in meteoritics, the science of meteorites. # * 2 Pallas – an asteroid from the asteroid belt and one of the likely parent bodies of the CR meteorites. * 4 Vesta – second-largest asteroid in the asteroid bel ...
*
Heat Shield Rock Heat Shield Rock is a basketball-sized iron-nickel meteorite found on the Meridiani Planum plain of Mars by the Mars rover ''Opportunity'' in January 2005. Informally referred to as "Heat Shield Rock" by the Opportunity research team, the met ...
*
List of Martian meteorites This is an incomplete list of Martian meteorites i.e. meteorites that have been identified as having originated from Mars. , 277 meteorites had been classified as Martian, less than half a percent of the 72,000 meteorites that have been classifi ...
*
List of meteorites on Mars Martian rocks and outcrops have been studied ''in-situ'' by various landers and rovers. While many of the rocks identified on the Martian surface are similar to each other, some have been considered scientifically important or otherwise notable ...
*
List of rocks on Mars Martian rocks and outcrops have been studied ''in-situ'' by various landers and rovers. While many of the rocks identified on the Martian surface are similar to each other, some have been considered scientifically important or otherwise notabl ...
* Oileán Ruaidh meteorite


References

{{Portal bar, Solar System Meteorites found on Mars Rocks on Mars