The ejecta plume about 20 seconds after the LCROSS impact (Images: NASA)
The thermal signature of the impact indicated by the arrow is detected clearly by the mid-infrared camera (MIR1)
LCROSS Visible Light Camera image of the lunar south pole from an altitude of approximately 770km
Data from the down-looking near-infrared spectrometer with the red curve showing how the spectra would look with water vapor and ice added in appropriate amounts to match the dips in the observations. The yellow areas indicate the water absorption bands
Scientists have long speculated about the source of significant quantities of hydrogen that have been observed at the moon's lunar poles, and just a few months ago NASA announced that water molecules were indeed present, but in relatively small amounts. Now the Lunar CRater Observing and Sensing Satellite (LCROSS) that was employed to shed some more light on the presence of water on the moon, looks like it has done just that with preliminary data indicating the mission successfully uncovered water in a permanently-shadowed crater.
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