Extraterrestrial Oil Shale
Some comets contain "massive amounts of an organic material almost identical to high grade oil shale," the equivalent of cubic kilometers of such mixed with other material; for instance, corresponding hydrocarbons were detected in a probe fly-by through the tail of Comet Halley during 1986.
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Famous quotes containing the word oil:
“I bade, because the wick and oil are spent
And frozen are the channels of the blood....”
—William Butler Yeats (18651939)