I never get tired of the stunning pictures being sent to Earth from the Lunar Reconnaissance Orbiter. This one is particularly cool:
It's a little weird, isn't it? What you're seeing is sunset over some mountains on the Moon, with only the peaks popping up into the sunlight. It might help to pull back a bit:
[Click to embiggen.] That's a little better. You can see the long shadows of the two mountains on the hills farther back, giving the image a bit of context and relief. But you're still missing the coolest part. Ready? Here's the entire shot:
Whoa! Getting the picture now? Those three mountains are actually the central peaks of the crater Bhabha, a 64 kilometer (40 mile) wide impact scar on the far side of the Moon. With really big impacts, the shock waves bounce around inside the crater bowl, making the rock flow like a ...