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A small, dim star appears to be wracked by a mega storm more violent than any weather yet seen on another world, astronomers announced.
The star, called a brown dwarf, is more massive than a giant planet but much lighter than most stars. Over a period of several hours, the star exhibited the largest brightness variations ever seen on a cool brown dwarf....
..."The best explanation is that brighter and darker patches of its atmosphere are coming into our view as the brown dwarf spins on its axis."
Astronomers have detected what they think is a massive storm raging on a near-by brown dwarf Star 47 light years away.
Over a short observational period of a few hours, the researchers noticed 2MASS 2139 change in brightness significantly. Naturally, that piqued their interest. "We found that our target's brightness changed by a whopping 30 percent in just under eight hours,"
Over a short observational period of a few hours, the researchers noticed 2MASS 2139 change in brightness significantly. Naturally, that piqued their interest. "We found that our target's brightness changed by a whopping 30 percent in just under eight hours,"