A canon ball, you say? Something like… this?
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This from wiki on the SCI package (a compact “cannon” designed to be deployed by Hayabusa 2 and then explode, thereby creating a fast-moving shaped copper charge.)
The spacecraft carried a small carry-on impactor (SCI). It was dropped off [of] Hayabusa 2 on to an asteroid and detonated. The explosion created a copper explosively formed penetrator, which hit the asteroid with a velocity of 2 km/s. The crater created by the impact was a target for further observations by the onboard instruments. The shaped charge consisted of 4.5 kg of plasticized HMX and a 2.5 kg copper liner.
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Yes it was, painful too.
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“Yea verily, thou shalt launch thine Holy cannon ball of Hyabusa upon the count of three. Not two, not four. Five is right out…”
So it is canon I guess…
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This is why I come back to the boingboing.
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Meanwhile at Mission Control…
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