Season 13 Episodes21
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8.0
Halley's Comet: Once in a Lifetime
8.0/10 · 9 votesJan 21, 198655 min
Ranked #1 of 11 in Season 13•+0.3 vs season avg
NOVA observes worldwide preparations as amateur comet hunters, astronomers and scientists armed with specialized cameras, high powered telescopes and spacecraft look to the heavens in search of the expected arrival in 1986 of Halley's Comet.
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Episode Summary
"Halley's Comet: Once in a Lifetime" is episode 1 of NOVA season 13. It scored 8.0/10 from 9 votes, ranking #1 of 11 episodes this season (season average 7.7). It aired on January 21, 1986.