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Earth’s Largest Radio Telescope To Search For ‘New Worlds’

Earth’s Largest Radio Telescope To Search For ‘New Worlds’

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  12 July 2019 12:14 PM GMT

Beijing: As well as hunting for signals from alien life, the largest and most sensitive radio telescope ever built will search for extra-solar planets, or exoplanets, which have magnetic fields like Earth, within 100 light-years from Earth. Astronomers from countries including China and France recently published their ambitious observation plan using the Five-hundred-meter Aperture Spherical Radio Telescope (FAST) in the academic journal Research in Astronomy and Astrophysics, Xinhua news agency reported on Thursday. Li Di, a researcher at the National Astronomical Observatories of the Chinese Academy of Sciences and chief scientist of FAST, said scientists are more concerned about habitable planets, which should have not only water, a suitable temperature and atmosphere, but also magnetic field.

“The earth’s magnetic field protects life from cosmic rays. There is a scientific bug in the sci-fi blockbuster ‘The Wandering Earth’, that is, the earth stops rotating. If that happens, the magnetic field would disappear. Without the protection of the magnetic field, the earth’s atmosphere would be blown off by the solar wind. As a result, humans and most living things would be exposed to the harsh cosmic environment and unable to survive,” said Li. Philippe Zarka, an astronomer from the Paris Observatory, said planets are the most favourable cradle of life. As of today, about 4,000 exoplanets have been found. There are six magnetized planets in the solar system with a planetary-scale magnetic field: Mercury, Earth, Jupiter, Saturn, Uranus and Neptune. (IANS)

Also Read: New space telescope to explore origins of universe

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