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I have heard that the earth is surrounded with tiny bits of "space junk".

I was wondering, why not send a large magnet into orbit and collect all the junk?

And by time the magnet is covered with junk it would automatically or naturally come back down to Earth.

I do understand that not all of the junk is magnetic material, and I've wondered why not make the parts that are likely to become larger pieces of debris with some included magnetic material so that they would be easier to attract?

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  • $\begingroup$ Hello and Welcome to Space! I've adjusted the wording of your question to make the English a little better, and I'm not sure I've got your question exactly right. Please have a look and if you need, you can edit further. It is possible that this question has been asked before. If it's marked as a duplicate, don't worry. That helps send readers to existing answers. If you would like to ask something different, you can change this question or ask a new one. $\endgroup$ – uhoh May 19 '19 at 14:51
  • $\begingroup$ Related: Can objects be deorbited by a satellite using a magnetic field? $\endgroup$ – Russell Borogove May 19 '19 at 15:44
  • $\begingroup$ Unfortunately it is easy to attract magentic material over some millimeters, difficult over some meters and impossible over some kilometers. But most space debris was not made from magnetic material. $\endgroup$ – Uwe May 19 '19 at 20:53
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    $\begingroup$ Removing space debris using magnets is harder than removing flying bullets from a battlefield using magnets. $\endgroup$ – Ingolifs May 19 '19 at 22:30