Earlier this week, a hunk of rock called asteroid 2005 YU55 came within smashing distance of Earth. It was purported to be the size of an aircraft carrier, and wound up flying by us at a distance of just under 200,000 miles, much closer than the Moon. But as close as the asteroid came to Earth, it seems the best we've managed to produce imaging-wise are highly pixelated images like the ones up top (alright, so the one in the middle is actually pretty decent, with a resolution of about 4 meters/pixel...although my favorite is the one on the far...