Venus might be closer to Earth, but that doesn't make it easier to explore than Mars. For starters, the surface of Venus has the pressure of 92 of Earth's atmospheres, to say nothing of the temperatures — which can reach more than 900 degrees Fahrenheit (500 degrees C), heat that can melt lead. But two NASA scientists, Dale Arney and Chris Jones, suggest we skip the surface altogether and stick to Venus's clouds, according to a report in IEEE Spectrum.
To do so would require big policy changes at NASA, which has been promoting crewed Mars missions as part of its Orion program. But these scientists say that the atmosphere of Venus, explored by an airship, may be more hospitable to human missions. Enter the High Altitude Venus ...
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