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  • 24 December, 2020

  • 4 Min Read



  • The Hayabusa2 spacecraft of Japan is nearing the earth after a year-long journey from the asteroid Ryugu.
  • The spacecraft is to reach the earth in Southern Australia on carrying precious samples from the asteroid.
  • The entire operation is being held by JAXA, the Japanese Aerospace exploration agency.


  • This mission follows Hayabusa's mission which returned asteroid samples of asteroid Ryugu for a year and a half.
  • The mission is expected to provide knowledge about the evolution of inner planets, especially in the origin of water and organic compounds on the earth.


  • It is a carbonaceous near-Earth asteroid.
  • The carbonaceous asteroids hold the most Pristine materials in the solar system.

Carbonaceous asteroid

  • They are distinguished by a very low albedo.
  • Albedo is the measure of reflection of solar radiation.
  • The value of albedo is between 0 and 1.
  • The carbonaceous asteroid occurs mostly at the outer edge of the Asteroid belt.

Rovers of Hayabusa2

  • Hayabusa2 carried four small Rovers.
  • These Rovers were deployed at different dates. The first two Rovers were called HIBOU and OWL.
  • The third Rover was called MASCOT. The fourth Rover called MINERVA failed before it was released from the Orbiter.

Source: TH

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