It's the only planet not yet encountered by a space probe
Voyager 2 - Wikipedia  Voyager 2 is a space probe launched by NASA on August 20, 1977 to study the outer planets. Part of the Voyager program, it was launched 16 days before its twin, ... It is the only spacecraft to have visited either of the ice giants. Its ..... of 90377 Sedna, but not yet beyond the outer limits of the orbit of the dwarf planet Eris.
Mandrills, Mandrill Pictures, Mandrill Facts - National ... - Animals  Learn all you wanted to know about mandrills with pictures, videos, photos, facts, and news ... These colorful primates are threatened. ... They're rarely seen.