Copyright:2025 Horacio Lander / AstroHoracio
Text:
Keighley Rockcliffe
(NASA
GSFC,
UMBC CSST,
CRESST II)
中文翻譯:
在西班牙的瓜達拉哈拉，一棵孤獨的樹矗立在安靜的草地上，背對著如火焰般升起的天鵝座星區。這片深邃的夜空由多次曝光合成，展現了人眼無法輕易看到的亮度和顏色。天鵝座的面積超過滿月的千倍，活躍的恆星形成過程讓氣體和塵埃雲在重力作用下開始崩潰，最終點燃核聚變，誕生新的恆星。這些恆星使周圍的氫氣發光，變成紅色，而星際塵埃像黑暗的影子一樣，吸收了一部分光芒，覆蓋天空。天鵝座是一個充滿天文寶藏的地方，特別是雲霄、彎月和英鶴星雲，還有第一個確認的黑洞——天鵝座X-1。天鵝座不斷提供新的科學發現，包括由錢德拉X射線天文台製作的天鵝座環的三維模型。
原文:
A lone tree stands in a quiet meadow in Guadalajara, Spain, silhouetted against the Cygnus region rising above like flames in the night sky. This deep night skyscape is a composite of exposures that reveals a range of brightness and color human eyes can’t quite see on their own. Spanning over a thousand times the angular size of the full moon, Cygnus sets the sky afire with active star formation where clouds of gas and dust collapse under gravity until nuclear fusion ignites and new stars are born. These stars ionize the surrounding hydrogen gas, causing it to glow crimson, while tendrils of interstellar dust absorb some of that light and cast dark shadows across the sky. Cygnus is a trove of celestial treasures, notably the Veil, Crescent, and Pelican nebulae, as well as Cygnus X-1, the first confirmed black hole. Cygnus continues to yield fresh science, including a new three-dimensional model of the Cygnus Loop made possible by the Chandra X-ray Observatory. Almost Hyperspace: Random APOD Generator
來源:NASA每日圖片
