Look! Up in the sky!

Nope. Not Superman. I have so ODed on superheroes, and there are more interesting things to be seen in the sky (though you may need a Really Big Telescope).

Such as? A planet(s), perhaps?

Pluto closeup (Thank you, New Horizons)How many planets does the Solar System contain? Have you gotten over Pluto's demotion? Are eight planets too few for your taste? Planets being large, is "dwarf planet" an oxymoron? Good questions, all.

Help's on the way -- a new definition of planet has been suggested, the...