Current Affairs

Water found on an Exoplanet

Current context: For the first time, water has been discovered in the atmosphere of the exoplanet named K2-18b.
Water found on an Exoplanet 
  • Researchers have found both water and temperatures on K2-18b, being the only exoplanet having such components.
  • The exoplanet is a planet orbiting a distant star outside our solar system.
  • K2-18b is eight times the mass of Earth and about 110 light-years from the Earth in the Leo constellation.
  • The team used the Hubble Space Telescope and developed open-source algorithms to analyse the starlight filtered through K2-18b's atmosphere.
  • K2-18b is a cool exoplanet and receives only 5 per cent more radiation than the Earth.
  • This planet is about the same temperature as Earth, but researchers are not confirmed that it is habitable or not.

Question: 

Q.1 Which exoplanet has been discovered recently to have water in its atmosphere?
a. K1-17b
b. K2-17b
c. K1-18b
d. K2-18b
e. K3-18b
Water found on an Exoplanet Water found on an Exoplanet Reviewed by Neha on September 13, 2019 Rating: 5

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