Source: In Focus - The 2012 Transit of Venus - The Atlantic
Stashed in: Space
I'm not the only one staring at the sun
Awesome set of photos! This is my favorite:
Pluto has five moons. It's a planet, dammit!
Beautiful sunrise... On Mars.
Neil deGrasse Tyson Cosmos trailer
Time crystals -- objects whose structure repeats periodically, as with an ordinary crystal, but in time rather than in space -- may exist.