WCCO Radio Minneapolis on MSN5 个月
Comet not seen in almost 70 years to fly by Earth — here’s when
The comet’s full name is Comet 13P/Olbers. It was named after the astronomer who first identified it in 1815, Heinrich Olbers ...
来自MSN5 个月
Comet not seen since 1956 set to fly by Earth
A comet with a 69-year orbit is set to pass by Earth. It is called Comet 13P/Olbers, named after astronomer Heinrich Olbers, who is credited with first identifying the comet in 1815. P stands for ...