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U.S. spacecraft touches asteroid surface for rare rubble grab

3 Comments
By MARCIA DUNN

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3 Comments
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This is pretty cool.

The writing in the article leaves much to be desired:

grab at least 2 ounces (60 grams) of Bennu.

Two ounces is not 60 grams, it’s 56 grams. Four grams is a huge margin of error in science and other recreational activities.

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Two ounces is not 60 grams, it’s 56 grams. Four grams is a huge margin of error in science and other recreational activities.

Not to a journalist and because they really want much more, the actual number isn't too important. They aren't buying cocaine for $100/gram. At least that's what "a friend" says the price is these days.

For my money, which it is, I'd rather have 2 Kg returned. The return mission orbital mechanics and landing interest me greatly. I'd rather see some sort of capture in orbit than parachute drop. That's a skill we need to master.

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Video of the actual "grab" http://www.youtube.com/watch?v=LJBv4reH9IU

Slow motion version: http://www.youtube.com/watch?v=LA6X3Yz-Vkc

Rock on Osiris-Rex spacecraft. I'm kinda hoping they didn't get 60g, so we can see this again next year.

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