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Heather Couper

Heather Couper is an astrophysicist. She ran the Greenwich Planetarium, and was president of the British Astronomical Association and a professor of astronomy, and produced the TV programs "Universe" and "Electric Skies," Nigel Henbest is a consultant to both the Royal Greenwich Observatory and "New Scientist" magazine. Arthur C. Clarke is among the world's most famous science fiction authors. His more than 70 books include "2001: A Space Odyssey,"