Astronomers perplexed by plummeting temperatures in Neptune’s ambiance

An picture of Neptune captured by Voyager 2 in 1989. New infrared pictures of the planet has revealed some shocking temperature modifications in its ambiance during the last 20 years. (Image credit score: NASA/JPL)

Astronomers have found a perplexing development in Neptune’s ambiance: Ever because the planet’s southern hemisphere summer season started virtually 20 years in the past, atmospheric temperatures on this area have plummeted, and scientists aren’t positive why.

Neptune is probably the most distant planet within the photo voltaic system, round 30 occasions farther from the solar than Earth is. Just like each different planet orbiting the solar, Neptune has 4 distinct seasons: spring, summer season, fall and winter. However, as a result of Neptune takes round 165 years to orbit the solar, every of those seasons lasts round 40 years. Neptune’s southern hemisphere has been experiencing summer season, the interval when it’s tilted towards the solar, since 2005.

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