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发帖数: 298 | 1 A chance discovery reveals a saucer-like dust disk around a young, sunlike
star.
by Vanessa Thomas
Some people claim to have seen flying saucers in the sky, but their
descriptions aren't like the one recently reported by an international team of
astronomers. While checking up on newly discovered x-ray sources, the group
happened across an edge-on protoplanetary disk with such an appearance that
the astronomers couldn't help but call it the "Flying Saucer."
In April 2001, Nicolas Grosso of the Ma |
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