Halley's Comet is a very famous comet that visits the Earth every 75-76 years and can be seen with the naked eye. Unfortunately, it won't be back until around 2061 so here is a selection of fun facts about comets to keep you going until then! Halley's Comet is named after the English astronomer Edmond Halley, because he determined it had a periodic orbit.

7 facts about comets

7 interesting facts about comets. Short-term comets (also known as periodic comets) have orbital periods of less than 200 years.

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