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February 23, 2019 07:00 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/MFamgalhsug/japans-hayabusa-2-successfully-touches-down-on-ryugu-asteroid-fires-bullet-into-its-surfac
Japan's Hayabusa 2 Successfully Touches Down On Ryugu Asteroid, Fires Bullet Into Its Surface
Japan's Hayabusa 2 spacecraft has successfully touched down on the asteroid Ryugu at around 11:30 GMT on Thursday. "Data from the probe showed changes in speed and direction, indicating it had reached the asteroid's surface, according to officials from the Japan Aerospace Exploration Agency (JAXA)," reports The Guardian. From the report: The probe was due to fire a bullet at the Ryugu asteroid, to stir up surface matter, which it will then collect for analysis back on Earth. The asteroid is thought to contain relatively large amounts of organic matter and water from some 4.6 billion years ago when the solar system was born. The complicated procedure took less time than expected and appeared to go without a hitch, said Hayabusa 2 mission manager Makoto Yoshikawa. The spacecraft is seeking to gather 10g of the dislodged debris with an instrument named the Sampler Horn that hangs from its underbelly. Whatever material is collected by the spacecraft will be stored onboard until Hayabusa 2 reaches its landing site in Woomera, South Australia, in 2020 after a journey of more than three billion miles. UPDATE: JAXA says it successfully fired a "bullet" into Ryugu, collecting the disturbed material. "JAXA scientists had expected to find a powdery surface on Ryugu, but tests showed that the asteroid is covered in larger gravel," reports CNN. "As a result the team had to carry out a simulation to test whether the projectile would be capable of disturbing enough material to be collected by [the Sampler Horn]. The team is planning a total of three sampling events over the next few weeks."Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/MFamgalhsug/japans-hayabusa-2-successfully-touches-down-on-ryugu-asteroid-fires-bullet-into-its-surfac
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