Shelter Island meteorite

Summary

Shelter Island meteorite was found on Mars by the Opportunity rover on October 1, 2009. It is about 27 centimetres (11 in) long.[4]

Shelter Island meteorite
Shelter Island meteorite viewed by the Opportunity rover (October 3, 2009).
TypeIron
Parent bodyUnknown
CompositionKamacite, taenite[1]
Weathering gradeLarge-scale, cavernous weathering[1]
CountryMars
RegionMeridiani Planum
Coordinates02°07′04″S 05°31′41.30″W / 2.11778°S 5.5281389°W / -2.11778; -5.5281389[2]
Observed fallNo
Fall datePossibly late Noachian
Found dateDecember 1, 2009
Strewn fieldPossibly[3]
Shelter Island meteorite - close-up (October 1, 2009).
Related media on Wikimedia Commons

History edit

Shelter Island was the second of three iron meteorites encountered by the rover on Meridiani Planum within a few hundred meters, the others being Block Island and Mackinac Island.[1]

Shelter Island may have fallen on Mars in the late Noachian period and is extensively weathered.[1][3]

See also edit

References edit

  1. ^ a b c d Ashley, J. W.; et al. (July 2011). "Evidence for mechanical and chemical alteration of iron-nickel meteorites on Mars: Process insights for Meridiani Planum". Journal of Geophysical Research: Planets. 116 (E7): E00F20. Bibcode:2011JGRE..116.0F20A. doi:10.1029/2010JE003672. hdl:1893/17110.
  2. ^ Google Mars
  3. ^ a b Beech, Martin; Ian M. Coulson (2010). "The making of Martian meteorite Block Island". Monthly Notices of the Royal Astronomical Society. 404 (3): 1457. Bibcode:2010MNRAS.404.1457B. doi:10.1111/j.1365-2966.2010.16350.x.
  4. ^ "Opportunity Finds Another Meteorite". NASA. Retrieved January 5, 2013.
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