Hubble Space Telescope identifies an exoplanet's stratosphere

Hubble Space Telescope identifies an exoplanet's stratosphere

The Hubble Space Telescope has been able to identify an exoplanet's stratosphere for the first time since it was brought into operation.

The device identified WASP-33b, which is a gas giant four times the size of Jupiter and very near to its star. The atmospheric temperature on WASP-33b is about 10,000°F or more than 5,500°C. A press release from America Space agency, NASA that operates the Hubble Space Telescope, said that the stratosphere of the exoplanet acts as a sunscreen for the planet and protects it from extreme heat.

NASA said that it believes that there is a stratospheric layer around WASP-33b that has similar characterises to that around the Earth and other planets. Experts said that the planet is very hot for the ozone around Earth or hydrocarbons around Jupiter and Saturn. NASA scientists believe that exoplanet's stratosphere and its rain are the molecule titanium oxide.

Hubble's Wide Field Camera 3 was used to confirm the existence of the stratosphere through observations of occultation of the planet. They said that the observation is explained by the temperature inversion associated with a stratosphere. This protects the planet's atmosphere to stay protected and not boil away in space.


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