Photographic Comparison of Terrestrial and Martian Magnetite Crystal Chains

Photographic Comparison of Terrestrial and Martian Magnetite Crystal Chains

PRESS RELEASE
Date Released: Monday, February 26, 2001
Source: Ames Research Center

Click on image for publication quality image. 4.5 X 5 in. Image at 300dpi, 134K.

Caption:

Upper figure: Modern magnetotactic bacteria, one showing a chain of magnetite crystals, as seen in the backscattered scanning electron microscope.

Lower figure: Magnetite crystals and chains of magnetite crystals in the Martian meteorite ALH84001 in the backscattered scanning electron microscope. One conspicuous chain indicated by arrows. The diameter of a single crystal ia approximately one-millionth of an inch.

° 26 February 2001: NASA JSC Background Information on PNAS ALH84001 Magenetite Paper, NASA JSC

° 26 February 2001: Case For Life on Mars Withstands Criticism, Gains Scientific Support, NASA JSC

° 26 February 2001: Scientists Finds Evidence of Ancient Microbial Life on Mars, NASA ARC

° 26 February 2001: NSF official describes hunt for antarctic meteorites related to new meteorite evidence of primitive life on Mars, NSF

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