The rate at which the raw material is being consumed is determined by studying ionized gas regions and the younger stars (yellow/red extended regions).
原料（尘埃）正在被消耗的速率是研究电离气体地区和年轻恒星（黄/红扩展区域）来决定的。
2
The many energetic star-forming regions along NGC 300's spiral arms are visible in the picture as red and pink clouds.
我们可以看到许多位于NGC 300星系的螺旋腕上的高能量恒星在图片里呈现红色、粉红色。
3
If history is a guide, the polar regions may prove to be the catalyst for the next Cold War and a sequel to the original Hunt for the Red October.