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Old 11-07-2019, 10:20 PM
gary
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Thumbs up Hayabusa2 probe makes second 'perfect' touchdown on asteroid Ryugu

It has been reported that Japan's Hayabusa2 has made what has
been described as a perfect touchdown on the asteroid Ryugu.

Quote:
Originally Posted by Kyoko Hasegawa, AFP
Thursday's touchdown was intended to collect pristine materials from beneath the surface of the asteroid that could provide insights into what the solar system was like at its birth, some 4.6 billion years ago.

To get at those crucial materials, in April an "impactor" was fired from Hayabusa2 towards Ryugu in a risky process that created a crater on the asteroid's surface and stirred up material that had not previously been exposed to the atmosphere.

Hayabusa2's first touchdown was in February, when it landed briefly on Ryugu and fired a bullet into the surface to puff up dust for collection, before blasting back to its holding position.

The second touchdown required special preparations because any problems could mean the probe would lose the precious materials already gathered during its first landing.
Story, photos here :-
https://phys.org/news/2019-07-japan-...-asteroid.html
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