1770 – Lexell’s Comet approached Earth at a distance of 0.015 AU (2.2 million km; 1.4 million mi), closer to the Earth than any other comet in recorded history.
1770 – Lexell’s Comet approached Earth at a distance of 0.015 AU (2.2 million km; 1.4 million mi), closer to the Earth than any other comet in recorded history.