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Asteroid sizes again
I decided to go with a real picture of the Moon and shaded blobs for the asteroids in the end:

Since there appear to be no better pictures of the asteroids it ought to do.
later: Realised that the Moon picture is in copyright, not a public domain NASA image, so I've substituted one I took last year. Not quite as good, but it's going to be reproduced fairly small anyway so I don't think it matters much.

Since there appear to be no better pictures of the asteroids it ought to do.
later: Realised that the Moon picture is in copyright, not a public domain NASA image, so I've substituted one I took last year. Not quite as good, but it's going to be reproduced fairly small anyway so I don't think it matters much.
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http://www.nasa.gov/mission_pages/dawn/main/index.html
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