Published: Wed, August 08, 2018
Research | By Jody Lindsey

Scientists discover mysterious massive glowing planet

Scientists discover mysterious massive glowing planet

Astronomers mentioned that only a few rogue planets have been discovered until now and according to them, there could be many more such cosmic bodies hiding in the universe, waiting to be discovered, even though at the moment finding such an object is a rare event. This massive rogue planet does not seem to be attached to any star and it is the first such object to be discovered so far using a radio telescope.

A new planet, which is 12 times bigger than Jupiter, has been discovered outside our solar system by astronomers. It is simply floating through space without any tethers to a star.

Astronomers using NSF's Karl G. Jansky Very Large Array have detected a "rogue" planetary-mass object with a surprisingly powerful magnetic field.

Brown dwarfs are too big to be considered planets, but aren't yet big enough to be considered stars, putting them right in the middle. Scientists aren't exactly sure how the auroras form in brown dwarfs, but they do have some theories. However, in 2001, VLA detected radio flaring in one and it revealed strong magnetic activity.

The research team have discovered that the planet's magnetic field is incredibly strong - around 200 times stronger than Jupiter's - giving it a strong aurora. However, solitary brown dwarfs do not have a solar wind from a nearby star to interact with. However, not everything was successfully predicted: initially, brown dwarfs were thought to not emit radio waves, but in 2001, that was disproven. But it's possible an orbiting planet or moon could trigger similar interactions like the ones seen between Jupiter and its moon Io.

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But the abnormally high magnetic field makes it even more exciting. Since the mass of a Brown dwarf is hard to accurately calculate, at the time, the object found was thought to be an old, massive brown dwarf. Last year, an independent team of scientists discovered that it was actually part of a young group of stars and less massive.

They were able to determine its mass and determine that the object could be a free-floating planet.

The boundary often used to distinguish a massive gas giant plant from a brown dwarf is the "deuterium-burning limit" - the mass below whichdeuterium stops being fused in the objects core.

Brown dwarfs are substellar objects, with masses approximately 13 to 75-80 times that of Jupiter.

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