蜘蛛和苍蝇
(原标题: The Spider and the Fly)
2025-02-11
浏览次数: 23
蜘蛛会抓到苍蝇吗？如果两者都是朝向御夫座（御夫座）的大型发射星云，则不会。图像中心的蜘蛛状气体云实际上是一个发射星云，标记为IC 417，而左边较小的苍蝇状气体云被命名为NGC 1931，既是发射星云又是反射星云。这两个星云相距约1万光年，都孕育着年轻的星团。在尺度上，更紧凑的NGC 1931 （Fly）直径约为10光年。这张特色的深度图像是1月下旬在英国伯克郡拍摄的，拍摄了20多个小时，还显示了更多弥漫的红色星际气体和尘埃。探索你的宇宙：随机APOD生成器
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Will the spider ever catch the fly? Not if both are large emission nebulas toward the constellation of the Charioteer (Auriga). The spider-shaped gas cloud in the image center is actually an emission nebula labelled IC 417, while the smaller fly-shaped cloud on the left is dubbed NGC 1931 and is both an emission nebula and a reflection nebula. About 10,000 light-years distant, both nebulas harbor young star clusters. For scale, the more compact NGC 1931 (Fly) is about 10 light-years across. The featured deep image, captured over 20 hours during late January in Berkshire UK, also shows more diffuse and red-glowing interstellar gas and dust. Explore Your Universe: Random APOD Generator
© Dave Boddington