Monday, May 16
Carbon Dioxide Snow
Does carbon dioxide snow ever naturally form on Earth?
Carbon dioxide solidifies at -78C at 1 atmosphere. The lowest recorded (natural) temperature on Earth is -89C at Vostok Station in Antarctica. So, the question arises...
The answer is apparently yes. No. Maybe. With a side-order of ask the Mythbusters. A big part of the problem is that CO2 represents just 0.04% of our atmosphere by volume, so when you have one atmosphere of air you have, more or less, zero atmospheres of CO2.
Which (a) may change the equations and (b) if it does fall as snow you're unlikely to notice.
No, it's not quite that cold here right now.
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Does carbon dioxide snow ever naturally form on Earth?
Carbon dioxide solidifies at -78C at 1 atmosphere. The lowest recorded (natural) temperature on Earth is -89C at Vostok Station in Antarctica. So, the question arises...
The answer is apparently yes. No. Maybe. With a side-order of ask the Mythbusters. A big part of the problem is that CO2 represents just 0.04% of our atmosphere by volume, so when you have one atmosphere of air you have, more or less, zero atmospheres of CO2.
Which (a) may change the equations and (b) if it does fall as snow you're unlikely to notice.
No, it's not quite that cold here right now.
Posted by: Pixy Misa at
07:12 AM
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