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Japanese Space Probe "Hayabusa2" Drops Explosive on Asteroid

Published on April 07, 2019
Japan's space agency said its Hayabusa2 spacecraft released an explosive onto an asteroid to make a crater on its surface and collect underground samples to find possible clues to the origin of the solar system.

Japanese Space Probe "Hayabusa2" Drops Explosive on Asteroid


  • The crater mission was the riskiest for Hayabusa2, as it had to immediately get away so it won't get hit by flying shards from the blast.
  • The Japan Aerospace Exploration Agency, or JAXA, said that Hayabusa2 dropped a "small carry-on impactor" made of copper onto the asteroid Friday morning, and that the spacecraft safely evacuated and remained intact.
  • The copper explosive is the size of a baseball weighing 2 kilograms (4.4 pounds).
  • JAXA plans to send Hayabusa2 back to the site later, when the dust and debris settle, for observations from above and to collect samples from underground that have not been exposed to the sun or space rays.
  • Scientists hope the samples will be crucial to determine the history of the asteroid and our planet.
  • If successful, it would be the first time for a spacecraft to take such materials.

More about the Craft and the Asteroid:

  • Hayabusa2 successfully touched down on a tiny flat surface on the boulder-rich asteroid in February, when the spacecraft also collected some surface dust and small debris. 
  • The craft is scheduled to leave the asteroid at the end of 2019 and bring surface fragments and underground samples back to Earth in late 2020.
  • The asteroid, named Ryugu after an undersea palace in a Japanese folktale, is about 300 million kilometers (180 million miles) from Earth.


Q. What is the name of the Japanese space agency JAXA's spacecraft that released an explosive onto an asteroid to make a crater on its surface and collect underground samples?
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