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Αρχέγονος μετεωρίτης αποκαλύπτει το παρελθόν του Άρη

Mars Meteorite NWA 7533 - A meteorite found last year in the Sahara Desert is likely the first recognized piece of ancient Martian crust, a new study reports.

Arsenopyrite is an iron arsenic sulfide. It is a hard metallic, opaque, steel grey to silver white mineral . When dissolved in nitric acid, it releases elemental sulfur. When heated, it becomes magnetic and gives off toxic fumes. It is a principal ore of arsenic. When deposits of arsenopyrite become exposed to the atmosphere, usually due to mining, the mineral will slowly oxidize, converting the arsenic into oxides that are more soluble in water, leading to acid mine drainage.

Visit Rob Lavinsky and see the fine minerals and crystals for sale on The Arkenstone. Thousands of Mineral Photos to view

EYE OF AFRICA - MAURITANIA In the Sahara Desert of Mauritania. This natural phenomenon is a richat structure caused by the dome shaped symmetrical uplifting of underlying geology now made visible by millennia of erosion.  This can be seen on google earth.  The earth is amaze balls.  That is all.

Earth has Bullseye ~ This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous bull's-eye on the otherwise rather featureless expanse of the desert.

New modeling indicates that the grooves on Mars’ moon Phobos could be produced by tidal forces – the mutual gravitational pull of the planet and the moon. Initially, scientists had thought the grooves were created by the massive impact that made Stickney crater (lower right). Credit: NASA/JPL-Caltech/University of Arizona

Mars’ Moon Phobos is Slowly Falling Apart The long, shallow grooves lining the surface of Phobos are likely early signs of the structural failure that will ultimately destroy this moon of Mars.

From a Violent Collision Comes Celestial Beauty – Amber inclusions of olivine in meteorite..

From a Violent Collision Comes Celestial Beauty – Amber inclusions of olivine in meteorite.

Blue-black bipyramids of Anatase on water clear Quartz - Norway / Mineral Friends

Blue-black bipyramids of Anatase on water clear Quartz - Norway / Mineral Friends More reasons to move to Norway.

Meteorite-Engagement-Ring-with-Moissanite

We are proud to be able to offer the finest quality meteorite rings on the planet!

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L'immagine diffusa dalla Nasa riguarda la Luna gli attacchi subiti (dal 2005 al 2013 se ne contano 300) dai meteoriti. Il 17 marzo, secondo le informazioni fornite dal centro spaziale (che ha diffuso la nota sul fenomeno solo venerdì 17 maggio), l'impatto più forte finora registrato ch

Luna "sotto attacco": colpita da 300 meteoriti - Repubblica.it

NASAs lunar monitoring program has detected hundreds of meteoroid impacts. The brightest, detected on March in Mare Imbrium, is marked by the red square.

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