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Osiris – Rex Spacecraft UPSC NOTE

 

 What is Bennu?

  • Bennu is an astroied discovered NASA in 1999.

  • Scientists believe that Bennu formed in the first 10 million years of the solar system’s formation.

  • Bennu is  roughly 4.5 billion years old.

  • Bennu likely to contain material that contains molecules that were present when life first formed on Earth.

  • The high carbon content Bennu reflects 4% percent of the light it hits. Which very low compared to other planets. Earth reflects about 30%.

  • It classified as a Near Earth Object (NEO), might strike the Earth in the next century, between the years 2175 and 2199.

  • OSIRIS-Rex stands for Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer.

  • This is NASA’s first mission meant to return a sample from the ancient asteroid.

  • Launched in 2016, it reached its target in 2018.

  • OSIRIS-REx is bringing back samples from Bennu. It will arrive home in 2023, ejecting a capsule full of samples that may help scientists decipher the origin of Earth’s water and life.

  • NASA has selected a site located in a crater high in Bennu’s northern hemisphere designated “Nightingale”.




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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Osiris – Rex Spacecraft UPSC NOTE
Osiris – Rex Spacecraft UPSC NOTE
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