爪狀星雲與氣泡星雲
The Claw and Bubble Nebulae
來源：Richard Whitehead
Text:
Keighley Rockcliffe
(NASA
GSFC,
UMBC CSST,
CRESST II)｜發表日期：2026-04-01
當你仰望夜空時，會看到哪些意想不到的景象？今天的這張圖片宛如一幅抽象畫，大片色彩散落在宇宙畫布上，看似毫無章法。儘管畫面風格抽象，人類的大腦卻能從中發現規律，辨認出一隻朝漂浮的氣泡伸出的巨大爪子。在這看似隨機的結構中，蘊含著支配光與物質相互作用的物理定律。 “巨爪”（Sh 2 - 157 ）和“氣泡”（NGC 7635 ）星雲發出的光芒在影像中呈現為黃色和藍色，這表明其中存在氫和氧，它們被質量數倍於太陽的恆星所發出的強烈光線電離。這張影像既展現了天文過程的混沌，也揭示了其內在結構，表明藝術與科學之間的共同點在於對意想不到之物的探索。
原文：What unexpected things do you see when you look up at the night sky? Today’s image resembles an abstract painting, with large swaths of color strewn across a cosmic canvas seemingly without design. Despite the image's abstract nature, the human mind finds patterns, identifying a large claw reaching up towards a floating bubble. Embedded within these seemingly random structures are the physical laws that govern how light and matter interact. The Claw (Sh2-157) and Bubble (NGC 7635) Nebulae glow colors that are mapped to the yellow and blue shown, indicating the presence of hydrogen and oxygen ionized by the intense light emitted from stars several times the mass of the Sun. This image depicts both the chaos and structure of astronomical processes, showing that a common thread between art and science is to look for the unexpected.
※ 本文由萌芽機器人自動轉貼自每日一天文圖（Astronomy Picture of the Day，APOD），原文為英文，正體中文是透過 DeepL 翻譯及 OpenCC 進行自動處理，內容僅供參考，若有任何錯誤之處還請見諒！
關於每日一天文圖：每日一天文圖網站是美國國家航空暨太空總署與密西根理工大學提供的服務，網站每天提供一張影像或圖片，並由天文學家撰寫扼要說明其特別之處。