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年英國天文學(xué)家哈雷表明,1531、1607和1682年觀(guān)察到的彗星其實(shí)是同一顆,并預測該彗星將在1758年回歸。
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