Are you following Chris Hadfield on Twitter yet? He’s a Canadian astronaut who has been aboard the International Space Station since December. (In March, he’ll take over as commander.) Since he’s been up there, he’s been tweeting pictures of Earth as they orbit it, several a day. Earth, as it turns out, is pretty striking:




Also striking is the fact that we have a space station orbiting the Earth; that the Canadian commander-to-be was carried there in a Russian Soyuz spacecraft; and that we can get pictures from the station sent to our computers and smartphones in real time. Remember the Cold War? Remember the time before the internet? Remember when I didn’t have a smartphone? This is the future!