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 exhaled carbon dioxide (or worse).(...)
Read the rest of Astronomy Without A Telescope ? Wake Me When We Get There (454 words)
© Steve Nerlich for Universe Today, 2010. |
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Full story at http://www.universetoday.com/2010/01/29/astronomy-without-a-telescope-%e2%80%93-wake-me-when-we-get-there/
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