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Meteorite ALH84001 is a softball-sized igneous rock weighing 1.9 kilograms (4.2 pounds). It is one of twelve meteorites discovered on Earth which are thought to be from Mars. Most meteorites formed early in the history of the solar system, some 4.6 billion years ago. Eleven of the twelve martian meteorites have ages less than 1.3 billion years, ALH84001 at 4.5 billion years old being the only exception. All twelve are igneous rocks crystallized from molten magma in a way which suggests they formed in a planetary-sized body, not an asteroid. They have similar oxygen isotope characteristics to each other and higher concentrations of ferric iron, water, and other volatiles than other meteorites. All twelve also show evidence of shock heating, presumably as a result of the impact which ejected them into space. Gas bubbles trapped in one meteorite, EETA79001, have a composition which matches the current martian atmosphere as measured by the Viking Landers, compelling evidence that this meteorite and by association the others, including ALH84001, came from Mars
originally posted by: TinfoilTP
It's called grasping at straws. They can't find much with actual probes sampling actual real Mars rocks so they look elsewhere.
originally posted by: EartOccupant
a reply to: CharlieSpeirs
Speed = 5
Distance = 20
25 = Mars ?
You need direction in your equation, two coördinates at least.