Wednesday, October 29, 2008

Opals Discovered on Mars!

Its true! NASA has just announced that an orbiting space probe has discovered large deposits of opal on the planet Mars in a canyon region known as Valles Marineris. The greatest significance of the discovery is that it indicates that liquid water existed on Mars much more recently than previously believed. It kind of makes sense to look for opals on Mars. Like Australia's famous opal fields it is remote, dry and red. Read the whole article here.

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