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| | Tom Bissell - A Comet's Tale |
 | | Its density, Ostro explained, was twice that of any object of terrestrial origin, and to cut it open would reveal an interior as bright as freshly forged steel. |
 | | The smallest known M-type asteroid, 3554 Amun, with a radius of only 500 meters, is thought to contain $1 trillion worth of nickel, $800 billion worth of iron, and $700 billion worth of platinum. |
 | | Since towing it back to Earth would be counterproductively expensive, and likely to result in the collapse of the world market for fine metals, these figures are, for now, lit with little more than the neon of sci-fi dreams. |
| www.wesjones.com /comet.htm (10509 words) |
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