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Shelter Island Meteorite
Shelter Island meteorite was found on Mars by the Opportunity rover, ''Opportunity'' rover on October 1, 2009. It is about long. History 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 meteorite, Block Island and Mackinac Island meteorite, Mackinac Island. Shelter Island may have fallen on Mars in the late Noachian period and is extensively weathered. See also * Atmospheric reentry * Bounce Rock * Glossary of meteoritics * Heat Shield Rock * List of Martian meteorites * List of meteorites on Mars * List of rocks on Mars * Oileán Ruaidh (Mars rock), Oileán Ruaidh meteorite * List of surface features of Mars imaged by Opportunity, List of surface features of Mars imaged by ''Opportunity'' References {{Portal bar, Solar System Meteorites found on Mars Rocks on Mars ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Opportunity Rover
''Opportunity'', also known as MER-B (Mars Exploration Rover – B) or MER-1, and nicknamed Oppy, is a Robotics, robotic rover (space exploration), rover that was active on Mars from 2004 until 2018. ''Opportunity'' was operational on Mars for Timekeeping on Mars#Sols, sols ( on Earth). Launched on July 7, 2003, as part of NASA's Mars Exploration Rover program, it landed in Meridiani Planum on January 25, 2004, three weeks after its twin, ''Spirit (rover), Spirit'' (MER-A), touched down on the other side of the planet. With a planned 90-Sol (day on Mars), sol duration of activity (slightly less than 92.5 Earth days), ''Spirit'' functioned until it got stuck in 2009 and ceased communications in 2010, while ''Opportunity'' was able to stay operational for sols after landing, maintaining its power and key systems through continual recharging of its batteries using solar power, and hibernating during events such as dust storms to save power. This careful operation allowed ''Opport ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 struck by ''Opportunity'' as the craft bounced to a stop during its landing stage. Bounce Rock bears a striking resemblance to a class of meteorites found on Earth known as shergottites, that are believed to have originated from Mars. Bopolu (crater) Bopolu is an impact crater located within the Meridiani Planum extraterrestrial plain of Mars. Bopulu was seen by Opportunity rover, ''Opportunity'' rover in 2010 in the distance, and with some of its rim visible. Bopoplu was officially named in ... was identified as a possible source of Bounce rock. See also * * References External linksNasa's Mars Exploration Program Mars Exploration Rover mission Rocks on Mars {{Mars-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Surface Features Of Mars Imaged By Opportunity
The Mars Exploration Rover mission successfully landed and operated the rovers '' Spirit'' and '' Opportunity'' on the planet Mars from 2004 to 2018. During ''Spirit''s six years of operation and ''Opportunity''s fourteen years of operation, the rovers drove a total of on the Martian surface, visiting various surface features in their landing sites of Gusev crater and Meridiani Planum, respectively. ''Spirit'' Hills * Apollo 1 Hills ** Grissom Hill * Columbia Hills ** Husband Hill ** McCool Hill Craters * Bonneville crater * Gusev crater * Thira crater Rocks * Adirondack * Home Plate * Humphrey * Pot of Gold Miscellaneous * Larry's Lookout * Sleepy Hollow ''Opportunity'' Craters * Argo crater * Beagle crater * Bopolu crater * Concepción crater * Eagle crater * Emma Dean crater * Endeavour (crater) ** Cape Tribulation *** Marathon Valley ** Cape York *** Greeley Haven ** Solander Point * Endurance crater * Erebus crater * Fram crater ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oileán Ruaidh (Mars Rock)
Oileán Ruaidh (pronounced "ill-lawn roo-ah") is a rock discovered on Mars in September 2010 by the ''Opportunity'' rover. It is a 45 centimeter wide dark rock that is thought to be an iron meteorite. It was given the name ''Oileán Ruaidh'' ("Red Island") after the Irish language name of Oileán Ruaidh island in County Donegal in Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan .... See also * * * * * * * * * * * External linksMars Rover ''Opportunity'' Approaching Possible Meteorite {{DEFAULTSORT:Oilean Ruaidh (Mars rock) Mars Exploration Rover mission Meteorites found on Mars Rocks on Mars Iron meteorites ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 notable and have been subjected to more extensive study or public interest. Names for Mars rocks are largely unofficial designations used for ease of discussion purposes, as the International Astronomical Union's official Martian naming system declares that objects smaller than are not to be given official names. Because of this, some less significant rocks seen in photos returned by Mars rovers have been named more than once, and others have even had their names changed later due to conflicts or even matters of opinion among researchers. Often rocks are named after the children or family members of astronauts or NASA employees. The rocks at the landing site of the '' Sojourner'' rover were given names of cartoon characters. Among them were ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 and have been subjected to more extensive study or public interest. Names for Mars rocks are largely unofficial designations used for ease of discussion purposes, as the International Astronomical Union's official Martian naming system declares that objects smaller than are not to be given official names. Because of this, some less significant rocks seen in photos returned by Mars rovers have been named more than once, and others have even had their names changed later due to conflicts or even matters of opinion among researchers. Often rocks are named after the children or family members of astronauts or NASA employees. The rocks at the landing site of the ''Sojourner'' rover were given names of cartoon characters. Among them were P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 classified. On 17 October 2013, NASA reported, based on analysis of argon in the Martian atmosphere by the Mars ''Curiosity'' rover, that certain meteorites found on Earth previously only thought to be from Mars, could now be confirmed as from Mars. The list does ''not'' include meteorites found on Mars by the various rovers. List See also * Glossary of meteoritics * List of meteorites on Mars * List of lunar meteorites Notes Where multiple meteorites are listed, they are believed to be pieces of the same original body. The mass shown is the total recovered. Abbreviations: * Antarctica locations, numbered: ** ALH - Allan Hills ** LAR - Larkman Nunatak ** LEW - Lewis Cliff ** MIL - Miller Range ** QUE - Queen Alexandra Range ** ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 meteorite was formally named Meridiani Planum meteorite by the Meteoritical Society in October 2005 (meteorites are always named after the place where they were found). Discovery ''Opportunity'' encountered the meteorite entirely by chance, in the vicinity of its own discarded heat shield (hence the name). ''Opportunity'' had been sent to examine the heat shield after exiting the crater Endurance. This was the first meteorite found on another planet and the third found on another Solar System bodytwo others, the millimeter-sized Bench Crater and Hadley Rille meteorites, were found on the Moon. Analysis The rock was initially identified as unusual in that it showed, from the analysis with the Mini-TES spectrometer, an infrared spectrum th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 belt and likely source of the HED meteorites. * 221 Eos – an asteroid from the asteroid belt and one of the likely parent bodies of the CO meteorites. * 289 Nenetta – an asteroid from the asteroid belt and one of the likely parent bodies of the angrites. * 3103 Eger – an asteroid from the asteroid belt and one of the likely parent bodies of the aubrites. * 3819 Robinson – an asteroid from the asteroid belt and one of the likely parent bodies of the angrites. * IAB meteorite, IA meteorite – an iron meteorite group now part of the IAB group/complex. * IAB meteorite – an iron meteorite and primitive achondrite of the IAB group/complex. * IAB meteorite, IB meteorite – an iron meteorite group now part of the IAB group/complex. * IC me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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,'' as in the entry of astronomical objects, space debris, or bolides. It may be ''controlled entry'' (or ''reentry'') of a spacecraft that can be navigated or follow a predetermined course. Methods for controlled atmospheric ''entry, descent, and landing'' of spacecraft are collectively termed as ''EDL''. Objects entering an atmosphere experience Drag (physics), atmospheric drag, which puts mechanical stress on the object, and aerodynamic heating—caused mostly by compression of the air in front of the object, but also by drag. These forces can cause loss of mass (ablation) or even complete disintegration of smaller objects, and objects with lower compressive strength can explode. Objects have reentered with speeds ranging from 7.8&n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kamacite
Kamacite is an alloy of iron and nickel, which is found on Earth only in meteorites. According to the International Mineralogical Association (IMA) it is considered a proper nickel-rich variety of the mineral native iron. The proportion iron:nickel is between 90%:10% and 95%:5%; small quantities of other elements, such as cobalt or carbon may also be present. The mineral has a metallic luster, is gray and has no clear cleavage although its crystal structure is isometric-hexoctahedral. Its density is about 8 g/cm3 and its hardness is 4 on the Mohs scale. It is also sometimes called balkeneisen. The name was coined in 1861 and is derived from the Greek root ''καμακ-'' "kamak" or ''κάμαξ'' "kamaks", meaning vine-pole. It is a major constituent of iron meteorites (octahedrite and hexahedrite types). In the octahedrites it is found in bands interleaving with taenite forming Widmanstätten patterns. In hexahedrites, fine parallel lines called Neumann lines are ofte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monthly Notices Of The Royal Astronomical Society
''Monthly Notices of the Royal Astronomical Society'' (MNRAS) is a peer-reviewed scientific journal in astronomy, astrophysics and related fields. It publishes original research in two formats: papers (of any length) and letters (limited to five pages). MNRAS publishes more articles per year than any other astronomy journal. The learned society journal has been in continuous existence since 1827 and became online only in 2020. It operates as a partnership between the Royal Astronomical Society (RAS), who select and peer-review the contents, and Oxford University Press (OUP), who publish and market the journal. Despite its name, MNRAS is no longer monthly, nor does it carry the notices of the RAS. In 2024 MNRAS became a purely gold open access journal. History The first issue of MNRAS was published on 9 February 1827 as ''Monthly Notices of the Astronomical Society of London'' and it has been in continuous publication ever since. It took its current name from the second vo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
