Awesome pic from the space capsule Orion during a flyby of the moon showing the relatively tiny sphere of the Earth as it "sets" on the horizon of the nearby lunar surface.
Being an unmanned craft, one incredible way of looking at this is to remember that every living thing (that we know of) that is alive or ever has been alive is (or was) all on that small blue ball.
It's like we're playing peek-a-boo with trillions of lifeforms including all 8 billion humans.