| 单词 | kreutz group |
| 释义 | Kreutz groupKreutz group(kroits) A collection of sungrazing comets that all have very similar orbital elements and were most probably formed by the breakup of a single large comet. The group was first recognized in 1888 by Heinrich Kreutz. Many members were detected by coronagraphs on spacecraft in the period 1979–89. |
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