Astronomers spot an exoplanet so hot it has iron and titanium in its atmosphere
When it comes to heat in our Solar System, Mercury takes the top crown, at least as far as planets are concerned. You wouldn't last more than a few seconds on Mercury's surface, with temperatures topping 800 degrees Fahrenheit on the Sun-facing side of the planet, but believe it or not that's downright chilly compared to the distant exoplanet KELT-9b.
KELT-9b is located around 650 light years from our Solar System, and it's orbiting its start — named KELT-9 — at such a short distance that it managed to complete an orbit in less than two Earth days. Earth, in case you had forgotten, takes 365 days to orbit our star. That close relationship makes KELT-9b an incredibly hostile place, and a new study reveals that the planet is so hot that materials we favor on Earth because of their strength are actually vaporized.
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Astronomers spot an exoplanet so hot it has iron and titanium in its atmosphere originally appeared on BGR.com on Fri, 17 Aug 2018 at 19:40:04 EDT. Please see our terms for use of feeds.