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Meteorites with dark veins and blobs, like the sample above, experienced high heat when the blast from the planetary collision that formed the moon hit the asteroid belt 4.47 billion years ago. The dark coloration on the edge of the sample is from entering the Earth's atmosphere. ~~ Qingzhu Yin, University of California, Davis

The moon is about as old as we thought it was

Meteorites with dark veins and blobs, like the sample above, experienced high heat when the blast from the planetary collision that formed the moon hit the asteroid belt 4.47 billion years ago. The dark coloration on the edge of the sample is from entering the Earth's atmosphere. ~~ Qingzhu Yin, University of California, Davis

Meteorite slices ~ These colorful images are of thin slices of meteorites viewed through a polarizing microscope. Part of the group classified as HED meteorites for their mineral content (Howardite, Eucrite, Diogenite), they likely fell to Earth from 4 Vesta, the mainbelt asteroid currently being explored by NASA’s Dawn spacecraft.

Meteorite slices ~ These colorful images are of thin slices of meteorites viewed through a polarizing microscope. Part of the group classified as HED meteorites for their mineral content (Howardite, Eucrite, Diogenite), they likely fell to Earth from 4 Vesta, the mainbelt asteroid currently being explored by NASA’s Dawn spacecraft.

Chondrit Meteorite. A small rocky or metallic chunk of material that travels through space is called a meteoroid. Very small meteoroids (the size of dust) are often referred to as micrometeoroids or space dust. These fragments may also be leftover comet debris, or were ejected in collisions between other solar system bodies such as the Moon or Mars.  As a meteoroid travels through our atmosphere, it is heated by friction. That causes it to glow, and if this happens at night, we see a long…

Chondrit Meteorite. A small rocky or metallic chunk of material that travels through space is called a meteoroid. Very small meteoroids (the size of dust) are often referred to as micrometeoroids or space dust. These fragments may also be leftover comet debris, or were ejected in collisions between other solar system bodies such as the Moon or Mars. As a meteoroid travels through our atmosphere, it is heated by friction. That causes it to glow, and if this happens at night, we see a long…

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