The two twin spacecraft that make up the GRAIL (Gravity Recovery and Interior Laboratory) took off on a Delta II launch vehicle. The GRAIL mission aims to map the structure of the lunar crust and lithosphere to understand how it evolved.
Stephen Jay Gould was born on September 10, 1941 in Bayside, New York. He wrote many scientific essays, papers and articles. As a researcher he’s most famous for his theory of punctuated equilibrium.
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