#kelt-9b

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In the atmosphere of KELT-9b, astronomers have detected the rare earth metal terbium swirling around in clouds of vaporized metal, the first time this extremely rare element has been found on a distant world.

The team also made new detections of vanadium, barium, strontium, nickel, and other elements, confirming previous detections and suggesting that whatever is going on with KELT-9b is very strange indeed.

"We have developed a new method that makes it possible to obtain more detailed information. Using this, we have discovered seven elements, including the rare substance terbium, which has never before been found in any exoplanet's atmosphere," says astrophysicist Nicholas Borsato of Lund University in Sweden.

"Finding terbium in an exoplanet's atmosphere is very surprising."

Better late than never!

Here’s a comic on the hottest exoplanet in existence!

This is not the set of Solarcards that I'd hoped would be the last ones I make, plus two of the planets from this set will be added to the last set I post, so it technically can still be the last set I make after these ones. Plus I finally got to make a star Solarcard and use the Rogue Planet card template I made. (my ask for no requests or suggestions still remains).

Shoutout to NeptuneSSC on Discord for helping me with the temperatures of Kelt-9b and Kepler-70b since the internet gave me conflicting results when I looked them up.

Astronomers have found the hottest known exoplanet, a world where temperatures exceed those on the surface of most stars.

The Jupiter-like planet, known as KELT-9b, zips around its hot host star once every 1.5 Earth days. Its orbit is so tight that the gas giant is tidally locked, always showing the same face to the star, just as the moon shows only one face to Earth.

Temperatures on KELT-9b's "day side" reach a blazing 7,800 degrees Fahrenheit (4,300 Celsius), the planet's discoverers said. That's hotter than the surface of the dwarf stars that dominate the Milky Way galaxy, and just 2,200 degrees F (1,200 degrees C) cooler than the surface of the sun. (However, temperatures in the sun's outer atmosphere, or corona, can reach about 3 million degrees F, or 1.67 million degrees C.)

Such extreme temperatures make KELT-9b a truly otherworldly place. For example, molecules such as water and carbon dioxide likely cannot exist in the planet's atmosphere, the researchers said.

"It’s a planet by any of the typical definitions based on mass, but its atmosphere is almost certainly unlike any other planet we've ever seen just because of the temperature of its day side," Scott Gaudi, professor of astronomy at The Ohio State University, said in a statement. Gaudi is co-leader of the study announcing the discovery of KELT-9b, which was published today (June 5) in the journal Nature.