Thursday, November 7, 2013

Lovely Green Olivine On Vesta Paints A Different Formation History

Lovely Green Olivine On Vesta Paints A Different Formation History:
The mineral olivine on Vesta, as seen from hyperspectral data received during the Dawn mission. Credit: Image generated by Alessandro Frigeri and Eleonora Ammannito using VIR data and Framing Camera images.
Lovely Green Olivine On Vesta Paints A Different Formation History
The mineral olivine on Vesta, as seen from hyperspectral data received during the Dawn mission. Credit: Image generated by Alessandro Frigeri and Eleonora Ammannito using VIR data and Framing Camera images.
That ghoul-like sheen on the asteroid Vesta, as seen in the image above, is not some leftover of Hallowe’en. It’s evidence of the mineral olivine. Scientists have seen it before in “differentiated” bodies — those that have a crust and an inner core — but in this case, it’s turning up in an unexpected location.
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Read the rest of Lovely Green Olivine On Vesta Paints A Different Formation History (275 words)

© Elizabeth Howell for Universe Today, 2013. |Permalink |No comment |
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