Artist's Impression of the Exoplanet WASP-19b (IMAGE)

ESO

Artist's Impression of the Exoplanet WASP-19b

Caption

An artist's impression showing the exoplanet WASP-19b, in which atmosphere astronomers detected titanium oxide for the first time. In large enough quantities, titanium oxide can prevent heat from entering or escaping an atmosphere, leading to a thermal inversion -- the temperature is higher in the upper atmosphere and lower further down, the opposite of the normal situation.

Credit

ESO/M. Kornmesser

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