Researchers find water in samples from asteroid Itokawa

Two cosmochemists at Arizona State University have made the first-ever measurements of water contained in samples from the surface of an asteroid. The samples came from asteroid Itokawa and were collected by the Japanese ...

The anatomy of an asteroid

ESO's New Technology Telescope has been used to find the first evidence that asteroids can have a highly varied internal structure. By making measurements astronomers have found that different parts of the asteroid Itokawa ...

Japanese space probe Hayabusa close to home

(PhysOrg.com) -- Hayabusa, the Japanese space probe launched in 2003, is returning home from its five-billion-kilometer round-trip journey to collect samples from the asteroid 25143 Itokawa.

Could the asteroid Ryugu be a remnant of an extinct comet?

Asteroids hold many clues about the formation and evolution of planets and their satellites. Understanding their history can, therefore, reveal much about our solar system. While observations made from a distance using electromagnetic ...

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