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Why the strange green meteor that is unlike anything found on Earth?

Why the strange green meteor that is unlike anything found on Earth?
A green stone, discovered last year in Morocco could be the first known meteorite originating from the planet Mercury, the planet closest to the Sun in our solar system.
It is the opinion of Anthony Irving, a specialist in the study of meteorites at Washington University, who presented the findings at the 44th Scientific Conference of the Moon and Planets, held in the U.S.. Studies suggest that space rock, called NWA 7325, would come from the Mercury, not Mars or an asteroid.NWA 7325 is actually a group of 35 fragments of meteorites found in Morocco in 2012. Are very old: Irving and his team dated rock fragments, giving them an average age of 4.56 billion years."It could be a rock sample on Mercury, or on a celestial body smaller, but similar composition of Mercury" said Anthony Irving during his presentation. An impact could throw NWA 7325 on Mercury to Earth.Meteorite NWA 7325 is unlike anything that has been previously found on Earth, he said.Meteorites from Mars bears traces of Martian atmosphere, which makes them relatively easy to identify. Vesta meteorites coming from one of the largest asteroids in the solar system are also chemically distinct. Instead, NWA 7325 is unlike any other space rock sample studied until today.Irving believes that metoritul was born and was ejected from a planet or other celestial body that showed lava flows on the surface, at some point during its geological history. There are indications that green rock would have formed the "foam" that floated on the surface of molten magma.NWA 7325 has a weak magnetic intensity - a rock magnetism which is transmitted by the magnetic field of a celestial body - lower than any rocks known. Data from Messenger probe orbiting Mercury show that the weak magnetism of the Earth resemble that of NWA 7325. Also, NWA 7325 has a very low iron content, as well as the planet Mercury, which suggests that the origin of the meteorite would be Mercury or a celestial body very similar to this.

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