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| First Page | Document Content | |
|---|---|---|
 Date: 2002-09-13 09:25:00Discovery program Lunar science Stardust Comet Impact crater Rosetta Tempel 1 Giotto Geology of the Moon Spacecraft Spaceflight Space technology |
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| First Page | Document Content | |
|---|---|---|
Date: 2002-09-13 09:25:00Discovery program Lunar science Stardust Comet Impact crater Rosetta Tempel 1 Giotto Geology of the Moon Spacecraft Spaceflight Space technology |
Add to Reading List |
DEEP SUB-SURFACE EXPLORATION OF COMETARY NUCLEI M. J. S. Belton1 and M. F. A’Hearn2 1 2 National Optical Astronomy Observatories, 950 N. Cherry Ave, Tucson, AZ 84719, USA
