LONDON: NASA’s Hubble Telescope has always helped the scientific world in making numerous discoveries, latest being the telescope spotted a stratosphere, one of the primary layer of Earth’s atmosphere, on an exoplanet known as WASP-33b.
NASA scientists said the presence of stratosphere can help them get details about the formation and composition of a particular planet.
They said the atmospheric layer includes molecules that absorb ultraviolet and visible light, acting as a kind of ‘sunscreen’ for the planet that it surrounds.
Until now, researchers were unaware whether these molecules would be found in the atmosphere of large- hot planets located in other solar systems.
Co-author Avi Mandell, a planetary scientist at NASA’s Goddard Space Flight Center, said, “Some of these planets are so hot in their upper atmospheres, they’re essentially boiling off into space. At these temperatures we don’t necessarily expect to find an atmosphere that has molecules that can lead to these mutilayered structures”.
As per experts, in earth’s atmosphere the stratosphere lies above the troposphere, an active weather-region. The temperature in troposphere is usually warmer at the bottom and cooler at high altitudes.
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