Scientists looking for signs of seasonal storms on Titan, finally found an awesome trail. Spot on the North pole of the moon of Saturn is the first evidence of precipitation in the hemisphere – the beginning of the summer in the North.
This evidence, which astronomers have waited for years, since the arrival of the probe Cssini to the orbit of Saturn in 2004. Although the Titan is quite different from the Earth, its climate is largely similar to our own, and astronomers looked for evidence of seasonal changes on the satellite.
One day on Titan is 15.9 earth days – the same length as its orbit around Saturn. Year is 29.5 earth years. The axial tilt of Titan is about 27 degrees compared to the Earth’s tilt of 23.5 degrees. Thus, the season on Titan lasts for approximately 7.5 earth years (although they vary due to the orbital eccentricity of Saturn, making the Northern summer and the southern winter is longer).
“Everyone is looking forward to the opportunity to see clouds and rain at the North pole of Titan, indicating the beginning of the Northern summer, but, despite the predictions of climate models, we haven’t even seen clouds,” said the physicist, rajani Dingra (Rajani Dhingra) from the University of Idaho. Having carefully studied the results of the work of Cassini, the team has finally found what he was looking for – a picture taken on 7 June 2016. Area the size of Pennsylvania showed the beginning of winter is a shining wet with methane rain hard surface, as from a sunlit wet pavement, say the authors.