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Nasa Spacecraft OSIRIS-REX arrives at ancient asteroid Bennu


What is OSIRIS-REX?


           OSIRIS-REX is a man-made artificial satellite which was launched on 8th September 2016 from Cape Canaveral Air force station. OSIRIS-REX is launched to take samples from the ancient asteroid Bennu and it is estimated to return Earth on 2023.

What is Bennu Asteroid? 


          Bennu was discovered on 11th September 1999 by Lincoln-Near Earth Asteroid research. The Bennu asteroid is 492 meter wide and it has a mass of 78 billion kilogram. Scientist estimated Bennu could pass closer to Earth than moon in 2135, which close distance of 250,000 miles.

What is OSIRIS-REX Work?     


        The OSIRIS-REX is send to take samples from the Asteroid Bennu to help scientist understand how heat radiated from sun is gently steering Bennu on increasing menacing course through solar system. The OSIRIS-REX will return to Earth with the Bennu asteroid specimen on September 2023.


            The OSIRIS-REX passed 1.2 miles from bennu in late December; where, it will enter the object gravitational pull. When Bennu reaches the Closes distance to Bennu Asteroid it robot arm snatch samples of Bennu and after collecting samples the OSIRIS-REX will return to Earth on September 2023.
  
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