The swirls of green were revealed by Hubble's ultraviolet and visible-light detectors. They are hydrogen and sulfur gases heated by intense ultraviolet radiation from the Trapezium's stars.
The swirls of green were revealed by Hubble's ultraviolet and visible-light detectors. They are hydrogen and sulfur gases heated by intense ultraviolet radiation from the Trapezium's stars.
那绿色的漩涡是由哈勃的紫外和可见光探测器所展示出来的。它们是被“猎户座四边形”发出的强烈紫外线加热的氢和硫的气体。