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Cloudy With a Chance of Methane Showers
Of all the alien worlds in our solar system, one in particular resembles our home planet: Titan. The largest moon of Saturn is the only other place we know of where you could walk along the seashore or stand in the rain. However, Titan’s exotic seas and its oily raindrops are not made of water, but of the natural gases methane and ethane, super-chilled into liquid form. Now, the James Webb Space Telescope has revealed a crucial, missing step in how ethane is formed, and its discovery could tell us about the future of Titan’s atmosphere.
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Webb Finds Icy Disk
Webb has found crystalline water ice in a debris disk around a young, Sun-like star called HD 181327. Based on its presence in our own solar system, scientists have expected to see it in other star systems — but haven’t had sensitive enough instruments to provide definitive proof until now.
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For more than 50 years, NASA satellites have provided data on Earth’s land, water, air, temperature, and climate. NASA’s Earth Information Center allows visitors to see how our planet is changing in six key areas: sea level rise and coastal impacts, health and air quality, wildfires, greenhouse gases, sustainable energy, and agriculture.
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