Scientists receive first potential signal from exoplanet 51 light-years away: Study

In ar extensive search for possible alien life, a team of scientists at Cornell University in US for first time has collected a potential radio signal from a planet beyond our solar system. This first possible radio signal from aliens is believed to be emanating from an exoplanet system about 51-light years away. Using Low-Frequency Array (LOFAR), a radioactive telescope in  Nerlands, scientists have uncovered emissions from Tau Bootes start-system hosting a so-called hot Jupiter, which is a gaseous giant planet that is very close to its own sun. 

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Scientists collect 1st possible radio signal

scientists have observed or potential exoplanetary radio emission candidates in constellation, Cancer and Upsilon Andromedae systems. However, study published in journal Astromy & Astrophysics found that only Tau Bootes exoplanet systems exhibited a significant radio signature, a unique potential window on planet's magnetic field. 

Cornell postdoctoral researcher Jake D Turner said, "We present one of first hints of detecting on an exoplanet in radio realm. signal is from Tau Bootes system, which contains a binary star system and an exoplanet. We make case for emission by planet itself."

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study published in Astromy & Astrophysics furr revealed that if confirmed through follow-up observations, this radio detection opens up a new window on exoplanets and provides a vel way to examine alien worlds that are tens of light-years away. Observing an exoplanet's magnetic field helps astromers decipher a planet's interior and atmospheric properties, as well as physics of star-planet interactions, said Turner. 

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Stating that Earth's magnetic fields protect it from solar wind dangers and keep planet habitable, Cornell researcher's said, " magnetic field of Earth-like exoplanets may contribute to ir possible habitability by shielding ir own atmospheres from solar wind and cosmic rays, and protecting planet from atmospheric loss."

Two years ago, Turner along with his colleagues had examined radio emission signature of Jupiter and scaled those emissions to mimic possible signatures from a distant Jupiter like exoplanet. Those results later became template for searching radio emission from exoplanets which are 40-100 light-years away. 

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(With PTI inputs)