Using the WIYN 3.5-meter Telescope at Kitt Peak National Observatory in Arizona, astronomers have observed an unusual Jupiter-like planet in orbit around a cool red dwarf star.
Planet With the 'Density of a Marshmallow' Spotted Around Red Dwarf Star
Space has no shortage of weird and curious planets . Astronomers using the 3.5-meter telescope at Kitt Peak National Observatory report their discovery of a Jupiter-like world with roughly the same density as a marshmallow, rapidly orbiting a red dwarf star.
The planet is called TOI-3757 b, and it can be found 580 light-years away from Earth in the Auriga constellation. Scientists find exoplanets all the time, but TOI-3757 b is special in that it is the least dense gas giant ever recorded orbiting a red dwarf star.
Astronomers discover 'fluffiest planet ever' with the density of a marshmallow
The star has a diameter of 150,000 kilometres, making it slightly larger than Jupiter, and orbits its host star once every 3.5 days.
Red dwarf stars are the smallest and dimmest type of 'main-sequence stars' – stars that convert hydrogen into helium in their cores – at a steady rate. These stars, while colder compared to the Sun, can erupt in powerful flares and as such make it rare for planets to form around them.
A strange world in an even stranger universe. https://t.co/K8f9aG5lL4 mashable Sun Oct 23 15:30:40 +0000 2022
Astronomers using a telescope in Arizona have discovered a Jupiter-sized exoplanet that has a density similar to th… https://t.co/eLhhNPhShu Forbes (from New York, NY) Thu Oct 20 22:30:06 +0000 2022
'Marshmallow' world defies expectations for planets orbiting red dwarf stars https://t.co/UagJ3kA3El https://t.co/wsahHT0pTS SPACEdotcom (from NYC) Thu Oct 20 16:04:08 +0000 2022
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