40 years later, lunar rocks continue to tell secrets

Pieces of the moon’s surface are carefully stored — until the world’s researchers come calling

By Guy Gugliotta / The Bulletin
July 8, 2008

HOUSTON — In the lab, the moon rocks look nondescript — dark gray basalt, a whitish mineral called anorthosite and mixtures of the two with crystals thrown in.

Yet nearly 40 years after the Apollo astronauts brought the first rocks back to Earth, these pieces of the moon are....

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