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Discover the cosmos! Each day a differentimage or photograph of our fascinating universe is featured, along with a briefexplanation written by a professional astronomer. Barnard 150: Seahorse in Cepheus Image Credit & Copyright: Data - Steve Milne, Processing - Steve Milne Explanation: Light-years across, thissuggestive shape known as the Seahorse Nebula appears in silhouette against arich, luminous background of stars. Seen toward the royal northernconstellation of Cepheus, the dusty, obscuring clouds are part of a Milky Waymolecular cloud some 1,200 light-years distant. It is also listed as Barnard150 (B150), one of 182 dark markings of the sky cataloged in the early 20thcentury by astronomer E. E. Barnard. Packs of low mass stars are forming withinfrom collapsing cores only visible at long infrared wavelengths. Still,colorful stars in Cepheus add to the pretty, galactic skyscape. 仙王座中的海马星云 解释：这个被称为“海马”的星云宽度有好几光年，在众多明亮的恒星背景下，呈现出醒目的剪影。海马星云是距我们1200光年远的银河系分子云的一部分，又名巴纳德150（B150），是天文学家巴纳德在20世纪初编制的天空中182个黑暗天体之一。许多低质量的恒星正在塌缩的星系核内部形成，这些星系核只有在较长的红外波段才能看到。 |
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