A team of astronomers have said that they have discovered a tiny star with fierce storms on its surface, similar to those only identified on planets such as Jupiter.
The team found evidence that a distant dwarf star called, W1906+40had a raging storm on its surface. It is a very small for a star and is about the same size as Jupiter. The celestial object is classified as an L-dwarf, which makes it close to planets. The cold L-dwarf stars do not fuse atoms together to generate light like other stars.
The W1906+40 has a surface temperature of around 3,500 degrees Fahrenheit so bit of fusion might be happening on the star but experts said that it is not enough to warm for clouds made of minerals to form an actual atmosphere. Thus these cold starts are similar to gas giant planets like Jupiter. These star-like planets and planet-like stars are formed very differently and the scientists have to use the object's age to classify it correctly.
Study author John Gizis of the University of Delaware said in a statement that, "The star is the size of Jupiter, and its storm is the size of Jupiter's Great Red Spot.We know this newfound storm has lasted at least two years, and probably longer.”
The team used the Keplertelescope, which has helped identifying exoplanets in space. Gizis and his colleagues were able to detect a dark spot that did not go away. They found evidence that it is a stormrotating around it about every nine hours.
Thestudy was published recently in the Astrophysical Journal.
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