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Halley's Comet begins its 38-year journey back toward Earth …
Halley's Comet - Wikipedia
Halley’s Comet Meteor Shower Starts Now: Learn More About …
Halley's comet is finally headed back to the sun: When you can …
Halley’s comet is on its way back towards Earth - Popular Science
Halley's Comet has begun its return journey to Earth
Comet Halley to reach farthest point from sun on December 9
Return of Halley's Comet - NASA Jet Propulsion Laboratory (JPL)
Photometrically Calibrated Images of Halley's Comet Captured
In Depth | 1P/Halley – NASA Solar System Exploration