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Exoplanet is a planet outside our solar system, and the researchers always use a Hubble to made the observations as the distant world traveled behind its star. Then NASA's Hubble Space Telescope found a blistering hot exoplanet where it snows sunscreen (titanium oxide) and the weird things of titanium oxide is precipitation only happens on the planet's permanent nighttime side. A powerful winds carry the titanium oxide gas around to the colder nighttime side. However, the astronomers didn't look for titanium oxide specifically by using Hubble. Instead, they observed that the giant planet's atmosphere is cooler at higher altitudes, which is contrary to what was expected. Then they found led out which concluded that a light-absorbing gaseous form of titanium oxide, gas giant planet known as a "hot Jupiter," has been removed from the dayside's atmosphere. Without the titanium oxide gas to absorb incoming starlight on the daytime side, the atmospheric temperature grows colder with increasing altitude. The observations confirm a theory from several years ago that this kind of precipitation could occur on massive, hot planets with powerful gravity.
by Dini Dwintika Karuniati
16611042
Article Science
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