光明、黑暗和塵土飛揚
The Light, the Dark, and the Dusty

來源:Gábor Galambos|發表日期:2024-01-10
這幅色彩斑斕的天景畫跨越了大約三個滿月,沿著銀河系的平面,朝向皇家北方的仙王座,橫跨星雲豐富的星域。在大約 2400 光年外的巨大分子云邊緣附近,明亮的紅色發射區 Sharpless (Sh) 2 - 155 位於畫面的中心,也被稱為洞穴星雲。大約 10 光年寬的宇宙洞穴明亮的氣體壁被周圍炙熱的年輕恆星發出的紫外線電離。星際畫布上還充斥著像左側 vdB 155 那樣的帶藍色反射的塵埃星雲,以及濃密的塵埃遮蔽雲。天文探測還發現了恆星形成的其他顯著跡象,包括赫比希-哈羅(HH) 168 明亮的淡紅色斑點。在畫面的左上方,赫比希-哈羅天體的輻射是由一顆新生恆星的高能噴流產生的。
原文:This colorful skyscape spans about three full moons across nebula rich starfields along the plane of our Milky Way Galaxy toward the royal northern constellation Cepheus. Near the edge of the region's massive molecular cloud some 2,400 light-years away, bright reddish emission region Sharpless (Sh)2-155 is at the center of the frame, also known as the Cave Nebula. About 10 light-years across the cosmic cave's bright walls of gas are ionized by ultraviolet light from the hot young stars around it. Dusty bluish reflection nebulae, like vdB 155 at the left, and dense obscuring clouds of dust also abound on the interstellar canvas. Astronomical explorations have revealed other dramatic signs of star formation, including the bright reddish fleck of Herbig-Haro (HH) 168. At the upper left in the frame, the Herbig-Haro object emission is generated by energetic jets from a newborn star.
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