Japan's asteroid-smashing probe reveals a surprisingly young space rock

Japan's Hayabusa 2 spacecraft, launched by JAXA, investigated asteroid Ryugu by creating an impact crater. The findings, published in Science, reveal Ryugu as a rubble pile of boulders held by sandy materials. The spacecraft, equipped with ion thrusters and various sensors, confirmed the asteroid's ancient materials date back 4.6 billion years, while its current form is only 10 million years old.

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