The Sky at Night
Season 36 Episode 8 - Comets a Second View
8.3 ?
1957
Documentary, News
The Giotto spacecraft encountered Halley's Comet in 1986 and escaped. The same craft recently made close-range studies of the comet Grigg-Skellerup. Patrick Moore and Drjohn Mason are joined by Professor Susan McKenna-Lawlor to discuss the problems of comets.
