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
Someone made an International Space Station Tracker-n-Pointer: instructables.com/id/Internation…
Pulsars are bizarre. Listen to them! parkes.atnf.csiro.au/people/sar049/… (really, listen to that Crab Pulsar and PSR B1937+21, too weid). #astronomy