10/14/2026
The Chart Room · space

The great Halley's Comet disappointment of 1986 — and the discoveries that changed astronomy forever

Filed by Dana Graviton
The great Halley's Comet disappointment of 1986 — and the discoveries that changed astronomy forever
What disappointed skywatchers in 1986 became a scientific triumph, as an international fleet of spacecraft revealed the secrets of the world's most famous comet.
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Dana Graviton
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The great Halley's Comet disappointment of 1986 — and the discoveries that changed astronomy forever — The Chart Room