Dust Grains Bring Long-Lost Stars Into the Laboratory

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Science  15 Nov 1996:
Vol. 274, Issue 5290, pp. 1078-1079
DOI: 10.1126/science.274.5290.1078a

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St. Louis--Bits of grit that formed billions of years ago around old, bloated stars and supernovas, then wafted through space and fell to Earth in meteorites, are giving researchers a new window on the cosmos. At a recent conference here, stellar grain specialists described what these grains are revealing about the turbulent atmospheres of stars, the churning of stellar interiors, and the age of the universe