PDA

View Full Version : Astronomy Without A Telescope Wake Me When We Get There



Fraser
2010-Jan-30, 12:10 AM
Living on a planet comes with certain advantages. Gravity, for instance. The only reason hot air rises on Earth is that colder, denser air will always fall to displace it upwards. On the International Space Station everyone has to sleep next to a fan or they end up being enveloped in a bubble of their [...]

More... (http://www.universetoday.com/2010/01/29/astronomy-without-a-telescope-%e2%80%93-wake-me-when-we-get-there/)