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31 votes
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Have things been intentionally welded in space? If so, what kinds of metals and techniques were used, and why was it necessary?

This got answered on Quora too. So, this link puts out the basics: Georgi Shonin and Valeri Kubasov, Russian cosmonauts who crewed the Soviet Soyuz 6 mission to space in 1969, were the first to ...
blobbymcblobby's user avatar
11 votes

A Philae Lander (like) anchoring harpoons on M-Type (metallic) asteroid. Can a nail gun and the effect of Cold Welding be a working solution?

Taking the point of homogeneity, internal structure and our knowledge of so called M-type asteroids further. Given how data has been collected for some of the larger M-type asteroids there is still ...
Fred's user avatar
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9 votes

A Philae Lander (like) anchoring harpoons on M-Type (metallic) asteroid. Can a nail gun and the effect of Cold Welding be a working solution?

Answer: No, a nail gun can't cold weld to an asteroid. Grappling anything in space is problematic. Partially because almost everything has angular momentum, partially because any contact with the ...
Woody's user avatar
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5 votes
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How much of a mixed blessing is cold welding?

Virtually everything that goes into space is assembled on earth first. Nothing (to my knowledge) is 'assembled later' in orbit using cold welding, as there's no guarantee the weld will be of ...
Ingolifs's user avatar
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1 vote

A Philae Lander (like) anchoring harpoons on M-Type (metallic) asteroid. Can a nail gun and the effect of Cold Welding be a working solution?

“…on M-Type (metallic) asteroid)” Which one(s)? You presume not just monolithic asteroids but a monolithic type, in a deterministic and discrete typing system. That is, you presume too much. We have ...
caInstrument's user avatar

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