Hale Bopp
astro:comet:hale_boppExceptionally bright comet visible in 1997; orbital period ~2,520 yr; nucleus ~60 km; one of the most widely observed comets of the 20th century
Exceptionally bright comet visible in 1997; orbital period ~2,520 yr; nucleus ~60 km; one of the most widely observed comets of the 20th century