英仙座流星雨将在明亮月光下达到高峰,能见度受限
仅事实

英仙座流星雨将在明亮月光下达到高峰,能见度受限

摘要

英仙座流星雨将于8月11日至12日达到高峰,但几乎满月预计将减少可见流星数量。专家建议从黑暗的乡村地区观测,以获得看到火球的最佳机会。

一年一度的英仙座流星雨预计将在8月11日和12日夜间达到高峰,但今年由于明亮的月光,观星者可能会看到较少的流星。洛杉矶格里菲斯天文台台长埃德·克鲁普表示,流星雨高峰期间,亏凸月的月亮将达到约92%的满月亮度,这使得观察较暗的流星变得更加困难。

美国流星协会指出,月亮的亮度将在流星雨最大活动时“严重影响此次流星雨的观测”。通常,英仙座流星雨每小时可产生50到100颗流星,但克鲁普表示,“今年看到的流星数量将远远减少”。

尽管条件具有挑战性,NASA强调英仙座流星雨以产生火球著称——这些火球是较大且更明亮的流星,由于其来源于较大的彗星颗粒,火球的持续时间通常比普通流星更长。希望获得最佳观测效果的观星者被建议远离城市灯光,寻找黑暗开阔的区域。克鲁普推荐约书亚树、莫哈维沙漠和安扎-博雷戈沙漠州立公园等地作为最佳观测地点。

NASA流星科学家比尔·库克建议观测者平躺仰望天空,因为流星可能出现在天空的任何位置,而不仅仅是在英仙座星座附近。展望未来,专家表示2026年的英仙座流星雨预计将提供极佳的观测条件,届时月亮较暗且流星数量更多。

事实核查

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The annual Perseid meteor shower is expected to reach its peak on the night of August 11 and 12.

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The waning gibbous moon will be about 92% full during the shower's maximum activity.

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The American Meteor Society noted that the moon's brightness will 'severely compromise this shower at the time of maximum activity.'

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Typically, the Perseids can produce between 50 to 100 meteors per hour.

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The Perseids are known for producing fireballs—larger, brighter meteors that can persist longer than average streaks due to their origin from larger cometary particles.

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Stargazers hoping to catch the best views are advised to travel away from city lights and seek out dark, open areas.

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Bill Cooke, a NASA meteor scientist, advised viewers to lie flat on their backs and look straight up, as meteors can appear anywhere in the sky, not just near the constellation Perseus.

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Experts say the Perseid meteor shower in 2026 is expected to offer excellent viewing conditions with a dark moon and a higher number of meteors.

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