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Science 11 October 1996:
Vol. 274. no. 5285, pp. 153 - 0
DOI: 10.1126/science.274.5285.153b
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This Week in Science

When comet Hyakutake made its close approach to Earth, perhaps the most unexpected observation was that of x-ray and ultraviolet emission detected by the Roentgen X-ray Satellite and the Rossi X-ray Timing Explorer. Lisse et al. (p. 205) suggest that the emission might be due to the interaction of the comet with the solar wind, the solar magnetic field, or both. Although the exact mechanism that produced these cometary x-rays remains unclear, the next cometary interloper into our solar system will likely be scrutinized in these higher frequency ranges.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)