USGS CMG InfoBank: Mars

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Comment: 01:14 - 01:37 (00:23)
Source: Annenberg/CPB Resources - Earth Revealed - 1. Down to Earth
Keywords: Mars

Our transcription: On Mars, conditions are not quite so brutal, but hardly conducive to life.
The mean surface temperature on the Red Planet is minus 23 degrees centigrade, and the Martian atmosphere is very thin, composed primarily of carbon dioxide with some nitrogen and argon.

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