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Posted 02 Apr 2024

1 min read

  • The discovery came to light while the researchers were investigating the chemical evolution of Sulphur dioxide (SO2) on Jupiter's moon, with Ultraviolet (UV) irradiation.
    • This revealed the traces of formation of O3 on the Callisto.

 

  • About O3 and its Significance
    • Formed of three oxygen atoms, it is an unstable compound and can be easily formed and broken down.
    • O3 layer in Stratosphere (around 15-35 km above ground) acts as invisible shield and protects from harmful UV radiation from Sun.
      • UV rays can damage DNA, trigger mutations, and cause skin cancer and cataracts in humans.
      • UV light also inhibits plant growth and has detrimental effects on various organisms.
    • However, O3 found near surface of earth is considered a pollutant which has negative effects on humans, plants and animals.

 

  • About Callisto
    • It was discovered by Galileo Galilei.
    • Callisto is Jupiter’s second largest moon and third largest moon in solar system.
      • Jupiter has 95 officially recognised moons of which largest is Ganymede.
    • It is most heavily cratered object in our solar system.
  • Tags :
  • Callisto
  • Ozone on Jupiter's Moon
  • Ozone
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