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A Japanese space probe that ended a seven-year voyage earlier this year brought back dust from the surface of an asteroid for the first time, Japan’s space agency said on Tuesday.
The unmanned craft Hayabusa, meaning “falcon” in Japanese, was destroyed on re-entry in June, but managed to drop a container bearing the sample after landing on the near-Earth asteroid Itokawa in 2005.
Japan Aerospace Exploration Agency (JAXA) says the particles may offer clues about how the solar system was formed 4.6 billion years ago.
Asteroids are believed to have retained their original state over time, unlike the Earth’s surface, which has been affected by atmospheric changes, water and volcanic activity.
“There is so much that humans don’t know, such as how the Mo on was formed,” a JAXA spokesman said. “But research, not just into these particles but into other findings, could provide us with hints on how the solar system and the planets were formed.”
Part of the sample would be distributed next year to researchers around the world for further tests, JAXA said.Click here for reuse options!