To all hoopy froods who know where their towel is: Happy Towel Day! Note this one is special: 25+5+12=42! towelday.org #towelday
Amazing images of Aurora Borealis, live from Sweden: auroraskystation.com/live-camera/9/ (via @VirtualAstro)
Sorry ISS watchers, no space station alerts today. Twitter is suspending my accounts the moment I use them to send tweets.
How big is the ISS compared to your house? This wonderful visualisation tool shows you: bit.ly/pzFLvk #bbc #howbigreally
This is what happens to the astronauts when the ISS accelerates into a higher orbit: cot.ag/tJMhdt :-) #NASA
The great thing is that on Thursday, the Soyuz capsule will be visible trailing the ISS! @twisst will send you alerts (Europe: 18.42 CET).