Iron and titanium in the atmosphere of an exoplanet

Exoplanets can orbit close to their host star. When the host star is much hotter than our sun, then the exoplanet becomes as hot as a star. The hottest 'ultra-hot' planet was discovered last year. A team has now discovered the presence of iron and titanium vapors in the atmosphere of this planet. This detection was made possible by the surface temperature of this planet, which reaches more than 4,000 degrees.

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