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Thirty Two Years Ago Today …

… Halley’s Comet Teaches Us a Thing or Two About Comets! It was the last time Halley’s comet appeared in the inner solar system (where it won’t appear again for another forty-three years (in 2061). And it taught us a thing about comets. As per Wikipedia: “During its 1986 apparition, Halley’s Comet became the first […]
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