 
 <translate> Quoc: While in the neighborhood of Neptune, Voyager 2 discovered the "Great Dark Spot", which has since disappeared, according to observations by the Hubble Space Telescope. Originally thought to be a large cloud itself, the "Great Dark Spot" was later hypothesized to be a hole in the visible cloud deck of Neptune.

Answer this question based on the passage: what did the voyager 2 discover about neptune?
HW Chung: OK, some thoughts: <ibo> Quoc: Ka Voyager 2 nọ na gburugburu Neptune, ọ chọpụtara "Oké Ebe Ọchịchịrị", bụ́ nke na-apụworị n'anya, dị ka nnyocha e mere site na Telescope Na-ahụ Maka mbara igwe bụ́ Hubble si gosi. Na mbụ e chere na ọ bụ nnukwu ígwé ojii n'onwe ya, e mesịrị chepụta na "Great Dark Spot" bụ oghere dị n'ígwé ojii Neptune a na-ahụ anya.  Zaa ajụjụ a dabere n'akụkụ Akwụkwọ Nsọ ahụ: Gịnị ka Voyager 2 chọpụtara banyere Neptune? HW Chung: OK, ụfọdụ echiche: 