Astronomers have discovered that a hot planet outside our solar system experiences rains that consist mainly of titanium dioxide, the key ingredient in sunscreen.
A research team which was led by Thomas Baetty included researchers from Penn State University, University of Cambridge, California Institute of Technology among other discovered the phenomena with the use of the Hubble Space Telescope.
The team observed Kepler-13Ab, one of the hottest exoplanet (planets outside the solar system). The planet is unique as its one side always stays facing the star and the other remains dark. It was discovered that the sunscreen rain happens on the planet's permanent night-time side.
This process, also known as the ‘cold trap’, according to the NASA website, provides insight into the complexity of weather and atmospheric composition on exoplanets, and may someday be useful for gauging the habitability of Earth-sized planets.
"In many ways, the atmospheric studies we're doing now on these gaseous 'hot Jupiter' kinds of planets are test beds for how we're going to do atmospheric studies of terrestrial, Earth-like planets," Thomas Beatty, the team leader was quoted saying in the EurekAlert report. Read Again Hubble Space telescope observes an exoplanet where it rains sunscreen : http://ift.tt/2yfPdvqBagikan Berita Ini
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