Halley's comet
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Jump to navigationJump to search- Halley's Comet - a famous comet which returns to it's perihelion, where it is visible from Earth, every 76 years; as sure as "sixes and seventies".
- appeared in 1910 (in James Joyce's time) when it was first photographed
- believed to be present in 12 B.C. and may have been the source for the biblical Star of Bethlehem.