Comets appear in the sky from time to time The most popular one is Comet 1.________(Encke, Halley).This comet returns to Earth's vicinity periodically and is classified as 2________(long period, short period) comet. it is seen in the sky every 3.________(76,85) years the last time it reappeared was in 1986 and is predicted to come again in 4______(2062,2071).
This comet was named after 5.______(Edmund Halley ,Franz Encke), an English astronomer, who studied the reports of a comet approaching Earth.Halley didn't live to see the comets return, but his discovery led to the comet being named after him​