An onionskin-likestructure of concentric dust shells surround a central, aging star.Twin beams of light radiate from the star and illuminate the usuallyinvisible dust.
英
美
- 围绕着中心老龄恒星的是一组半透明的同轴尘埃壳,两束星光照亮了平时看不见的尘埃。