NASA news: Space telescope spots rare alien Earth-sized exoplanet

Express.co.uk | 8/20/2019 | Tom Fish
tanikaki (Posted by) Level 3
Click For Photo: https://cdn.images.express.co.uk/img/dynamic/151/750x445/1167793.jpg

By measuring the temperature difference between the planet’s hot and cold sides, NASA discovered there is a negligible amount of heat being transferred between the two.

If an atmosphere were present, hot air on the dayside would naturally expand, generating winds that would transfer heat around the planet.

World - Moon - Air - Heat

On a rocky world with little to no atmosphere, like the Moon, there is no air present to transfer heat.

Dr Laura Kreidberg,...
(Excerpt) Read more at: Express.co.uk
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