In 2022, researchers will discover many exoplanets with unusual characteristics like iron rain or silicate clouds..
Simulation of the planet TOI-2180 b.
Simulation of the planet TOI-2180 b. (Photo: NASA).
Astronomers have discovered a mysterious planet as large as Jupiter orbiting its host star. The planet named TOI-2180 b is located relatively close to Earth, 379 light years away. This exoplanet has a diameter similar to Jupiter but is almost 3 times more massive. This difference in density proves that the planet formed differently from Jupiter.
What makes TOI-2180 b unusual is that it takes the planet 261 days to orbit the star, significantly longer than most gas giant planets discovered to date. Another strange feature is that the average temperature of the planet is around 77 degrees Celsius. Although hotter than Jupiter and Saturn, TOI-2180 b is still quite cool compared to many other giant exoplanets, according to research team leader Paul Dalba of the University of California, Riverside.
Simulation of the planet TOI-1075 b.
Simulation of the planet TOI-1075 b. (Photo: NASA).
The new, extremely hot Super Earth is one of the largest planets ever discovered. This exoplanet is covered in magma with a year that lasts only half a day. TOI-1075 was discovered by NASA’s Transiting Exoplanet Survey Satellite (TESS) spacecraft. The planet has a very hot surface with a temperature of 1,050 degrees Celsius due to its proximity to the host star, a small red-orange star located about 200 light years from Earth. In addition to its extreme weather conditions and short orbit of just 14.5 hours, TOI-1075 b is a rocky exoplanet nearly 10 times larger than Earth.
Simulation of iron rain on the planet WASP-76 b.
Simulation of an iron rain on the planet WASP-76 b. (Photo: ESO)
Tomás Azevedo Silva, a doctoral student at the University of Porto, Portugal, and his colleagues discovered metallic barium in the skies of two exoplanets. It is the heaviest element ever found in the atmosphere of an exoplanet. The discovery of two super-hot gas giant planets, WASP-76 b and WASP-121 b, may reveal more about the hot Jupiter class of planets that orbit close to the host star and are tidally locked, thus having a surface solar. faces the host star and the night side is relatively cool.
WASP-76 has a daytime temperature of up to 2,400 degrees Celsius, hot enough to evaporate iron and many other metals. As the evaporated iron is blown toward the cooler nighttime surface, it liquefies and falls to form. “rain of iron”.
WASP-103b ball-shaped planet.
WASP-103b ball-shaped planet. (Photo: ESA).
The exoplanet WĄSP-103b looks more like a football than a typical sphere. The strange shape of the extremely hot planet WASP-103b, located more than 1,000 light-years from Earth, is the result of gravity-driven stretching of the host star.
WASP-103b takes only a day to orbit the host star, thus being affected by the star’s radiation and strong gravity. By monitoring the number of times the planet passes the surface of the host star, researcher Babatunde Akinsanmi of the University of Geneva can measure its degree of deformation.
Simulation of the shape of a brown dwarf star.
Simulation of the shape of a brown dwarf star. (Photo: NASA)
NASA’s James Webb Space Telescope has discovered a planet covered in clouds containing sand-like silicate particles. The planet orbits a brown dwarf star nearly 20 times larger than Jupiter. Although brown dwarfs cannot burn hydrogen in nuclear reactions, they can emit light and heat by burning deuterium, a rarer isotope of hydrogen. Brown dwarfs are unusual celestial bodies, much heavier than planets but too light to be stars.
The brown dwarf VHS 1256 b orbits two red dwarf stars 72 light years from Earth in the constellation Corvus. Data from the James Webb Telescope revealed that VHS 1256 b has thick clouds made of silicate particles.
Article source: VnExpress
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In 2022, researchers have discovered many exoplanets with unusual characteristics like iron rain or silicate clouds. TOI planet simulation…