Neptune is the eighth and final planet in the solar system. No, I havent forgotten about Pluto! Pluto is currently classified as a dwarf planet. Did you know that sometimes Pluto is closer to the sun than Neptune? Neptune was the first planet to be discovered with math, and was the final objective of the Voyager 2 probe, which visited it in 1989. \rbr\rbrLike this video if you want to see more videos about SPACE!\rbr\rbrSubscribe to FreeSchool: \rbr\rbrVisit us on Facebook: \rbr\rbrCheck our our companion channel, FreeSchool Mom! \rbr\rbrAnd our NEW channel for little ones, FreeSchool Early Birds!\rbr\rbr\rbrMusic: Jaunty Gumption, Myst on the Moor - Kevin MacLeod (incompetech.com)\rbr\rbrNASA, ESA, G. Bacon and Z.