Halley's Comet

In 1705 Edmond Halley showed the comets of 1531, 1607 and 1682 were one object, and predicted its return in 1758.

In 1986 an international fleet of spacecraft (Giotto, Vega 1 & 2, Suisei, Sakigake and others) met the comet.

Sources

1. NASA Science, Comet 1P/Halley
2. JPL Small-Body Database (orbital elements, physical parameters)

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