Edmond Halley showed in 1705 that comets seen in 1531, 1607, and 1682 were really one comet, and he predicted its return in 1758.

• 1705年英国天文学家哈雷表明，1531、1607和1682年观察到的彗星其实是同一颗，并预测该彗星将在1758年回归。