astronomy verifiedCiteWhile every effort has been made to follow citation style rules, there may be some discrepancies.Please refer to the appropriate style manual or other sources if you have any questions.Select Citation Style FeedbackThank you for your feedbackOur editors will review what you’ve submitted and determine whether to revise the article. External Websites NASA Science - 1P/Halley NASA Technical Reports Server - Comet Halley and History Penn Museum - Halley’s Comet Space.com - Halley's Comet: Facts About the Most Famous Comet Print verifiedCiteWhile every effort has been made to follow citation style rules, there may be some discrepancies.Please refer to the appropriate style manual or other sources if you have any questions.Select Citation Style FeedbackThank you for your feedbackOur editors will review what you’ve submitted and determine whether to revise the article. External Websites NASA Science - 1P/Halley NASA Technical Reports Server - Comet Halley and History Pen...
