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The Martian meteorite NWA 7034 (nicknamed "Black Beauty"), found in the Sahara desert during 2011, has ten times the water content of other Mars meteorites found on Earth. [2] The meteorite contains components as old as 4.42 ± 0.07 Ga (billion years), [ 25 ] and was heated during the Amazonian geologic period on Mars.
This is an incomplete list of Martian meteorites i.e. meteorites that have been identified as having originated from Mars. As of September 2020 [update] , 277 meteorites had been classified as Martian, less than half a percent of the 72,000 meteorites that have been classified. [ 1 ]
Yamato 000593 (or Y000593) is the second largest meteorite from Mars found on Earth. [2] [5] [6] Studies suggest the Martian meteorite was formed about 1.3 billion years ago from a lava flow on Mars. [7] An impact occurred on Mars about 11 million years ago [7] and ejected the meteorite from the Martian surface into space.
Nakhla meteorite's two halves, showing its inner surfaces after being broken in 1998 Nakhlites are a group of Martian meteorites , named after the first one, Nakhla meteorite . Nakhlites are igneous rocks that are rich in augite and were formed from basaltic magma about 1.3 billion years ago.
The same methodology was later applied to the Moon [1] and then to Mars. [2] Another stratigraphic principle used on planets where impact craters are well preserved is that of crater number density. The number of craters greater than a given size per unit surface area (usually a million km 2) provides a relative age for that surface. Heavily ...
The elemental composition of Mars is different from Earth's in several significant ways. First, Martian meteorite analysis suggests that the planet's mantle is about twice as rich in iron as the Earth's mantle. [6] [7] The planet's distinctive red color is due to iron oxides on its surface. Second, its core is richer in sulphur. [8]
This is a list of largest meteorites on Earth. Size can be assessed by the largest fragment of a given meteorite or the total amount of material coming from the same meteorite fall: often a single meteoroid during atmospheric entry tends to fragment into more pieces. The table lists the largest meteorites found on the Earth's surface.
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