China’s Jiangmen Underground Neutrino Observatory (JUNO) to start gathering data on Neutrinos | Current Affairs | Vision IAS
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    China’s Jiangmen Underground Neutrino Observatory (JUNO) to start gathering data on Neutrinos

    Posted 17 Oct 2024

    2 min read

    JUNO will help in solving mysteries related to Neutrinos such as their origin, interaction with other particles, etc. 

    What are Neutrinos?

    • Neutrino is a subatomic particle with mass much smaller than other elementary particles.
    • There are three types of neutrinos:  Electron, Muon, and Tauon neutrino.
      • Neutrinos change between types as they travel. This process is called neutrino oscillation.
    • Key Characteristics: 
      • It has spin of 1/2 with a net neutral charge.
      • It travels at almost the speed of light and in straight lines from their source.
      • It rarely interacts with other matter (therefore also referred to as ghost particle).
      • They are the most abundant particles that have mass in the universe.
      • The only ways they interact is through gravity and the weak force. 

    JUNO’s contribution in studying Neutrinos and its significance 

    • It would be able to observe neutrinos from the sun, gaining a real-time view of solar processes.
    • It could also study neutrinos given off by the radioactive decay of uranium and thorium in the Earth to better understand mantle convection driving tectonic plates.
    • It may provide information to probe the most violent astrophysical sources like exploding stars, gamma-ray bursts, etc.

    Key Neutrino Observatories

    • India-based Neutrino Observatory (INO): Jointly funded by the Department of Atomic Energy (DAE) and the Department of Science and Technology (DST).
      • Location: Bodi West hills of Theni District of Tamil Nadu.
    • IceCube Neutrino Observatory: It is the first detector of its kind, designed to observe the cosmos from deep within the South Pole ice.
    • Other: China’s TRIDENT (Tropical Deep-sea Neutrino Telescope) and US’s DUNE (Deep Underground Neutrino Experiment)

    Note: Juno Mission was launched by NASA to observe Jupiter in 2011.

    • Tags :
    • Neutrino
    • Jiangmen Underground Neutrino Observatory (JUNO)
    • India-based Neutrino Observatory (INO)
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