Boards
Happy birthday Neptune!
http://www.bbc.co.uk/news/magazine-14081162
I always thought that Pluto and Neptune's orbits crossed. And that because of that there'd inevitably be a theoretical date when they'd crash into each other. Apparently not, according to http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question5.html Oh well.
Tell me stuff about space pls.