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Venus’s Atmospheric Composition
November 13 , 2023
249 days
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- Scientists have detected atomic oxygen in the atmosphere of Venus, Earth's neighbouring planet.
- The detection was made using an instrument aboard the SOFIA airborne observatory.
- Unlike Earth, Venus has a thick and noxious atmosphere dominated by carbon dioxide (96.5%).
- The detected atomic oxygen, consisting of a single oxygen atom, differs from molecular oxygen, which consists of two oxygen atoms and is breathable.
- The oxygen was found concentrated between two layers of the Venusian atmosphere, at an altitude about 60 miles (100 km) above the surface.
- The temperature of the oxygen ranged from about minus 184 degrees Fahrenheit (- 120 degrees Celsius) on the planet's day side to minus 256 degrees Fahrenheit (- 160 degrees Celsius) on its night side.
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