For ten points, name these objects, one of which has a regular 76-year orbit and is named for Edmond Halley.
One of these objects discovered by Wilhelm Tempel was visited by the Deep Impact mission. These bodies originate from the Oort cloud or the Kuiper ￼ ￼ ￼ belt, depending on the length of their period. These objects have a (*) coma, and leave a trail of gas and dust behind them as they travel through space. For ten points, name these objects, one of which has a regular 76-year orbit and is named for Edmond Halley.
One of these objects discovered by Wilhelm Tempel was visited by the Deep Impact mission.
comets