From AP:
Six months after NASA scientists first peeked inside one comet from afar, they're bringing pieces of another to Earth for study under the microscope.Andromeda Strain anyone...?
This weekend, the Stardust spacecraft will jettison a 100-pound capsule holding comet dust. It will nosedive through the Earth's atmosphere and - if all goes well - make a soft landing in the Utah desert.
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For Stardust, helicopters will fly to the landing site only after the capsule has touched down. Crews will recover the capsule and bring it to a temporary clean room on the base before transferring it to the Johnson Space Center in Houston.
