In the science is cool category, the flyby of Pluto by the New Horizons Spacecraft is definitely one of those things.
Pluto, was of course, demoted from being a “real” planet to being a “dwarf” planet in 2005, but who cares. All of us baby-boomers will always love Pluto at the 9th planet. And we should have some great pictures of it by Tuesday afternoon.