Can you pass this 1980s quiz?
The arrival of which comet in 1986 was met by a series of American, Soviet, Japanese, and ESA probes?
Comet Kohoutek
Borrelly's Comet
Halley's Comet
Comet Encke
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Puzzles
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Joe walks 6 km south and then walks 3 km to his left. Finally, he turns to his right and walks 6 km. In which direction is he from the starting point?
Lincoln
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What happened to Abraham Lincoln's mother?