Scientists have discovered a planet with iron sky

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Ученые обнаружили планету с "железным" небомThe high temperature of the atmosphere not only contributes to the evaporation of metals, but also prevents their condensation.

An international group of scientists has discovered an exoplanet with high iron content in the atmosphere. Gas giant KELT-9b because of its close proximity to the parent star has an extremely high temperature, which allows to vaporize the metal.

This publication reports Science Alert.

It is known that the temperature of KELT-9b, which is removed from the Earth at 620 light-years, reaches up to 4300 degrees Celsius (surface temperature of Sun is about 6000 degrees Celsius). The planet makes a revolution around the parent star HD 195689 less than 36 hours, due to the small distance between the two objects. It is known that the atmosphere of KELT-9b consists mainly of hydrogen.

According to astronomers, the high temperature of the atmosphere not only contributes to the evaporation of metals, but also prevents their condensation. That is KELT-9b has a metal clouds, but the atmosphere is filled with pairs of ions and neutral atoms of iron and titanium.

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