eldavojohn writes "A giant explosion on the sun in January of 2005 allowed SMART-1 (a European spacecraft orbiting the moon) to detect what elements the moon is made up of based on the X-rays from the sun's explosion. This allows scientists to speculate on the moon's origins while seeing data from all over the moon as opposed to the core samples we have collected and returned in the past. From the article: 'Scientists responsible for the D-CIXS instrument on SMART-1 are also announcing that they have detected aluminium, magnesium and silicon. "We have good maps of iron across the lunar surface. Now we can look forward to making maps of the other elements." said SMART-1's Principal Investigator.'"
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