See Five Naked-Eye Planets in the Sky at the Same Time!

If you get up very early over the next couple of weeks, there's a treat waiting for you outside: All five naked-eye planets known since antiquity are visible in the dawn sky at once. This is actually pretty cool, and it's visible from anywhere in the world. Very generally, if you go outside well before dawn (5:30-6 a.m. local time) and look south (in the Northern Hemisphere; face north if you're in the upside-down part of the world), you'll see the planets lined up across the sky. Mind you, that...