The Giotto spacecraft encountered Halley's Comet in 1986 and escaped. Giotto recently made close-range studies of the comet Grigg-Skellerup. Patrick and Dr. John Mason are joined by Susan McKenna-Lawlor to discuss the problems of comets. |
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Title: | Comets - A Second View | |
Air Date: | July 19, 1992 | |
Runtime: | 30 min | |
Genres: | Nature | |
Piglet : Another speculation; I wonder if the cattle ranch in Texas is or becomes the 6666.