It is mostly made of ionized hydrogen and helium, though carbon, oxygen, nitrogen and other atoms are present, producing the complex color blend visible here.
它主要由电离氢分子和氦构成，同时还包括碳、氧、氮和其他原子，使得其呈现纷繁的混合色彩。
This false color image combines emission from ionized hydrogen in blue, oxygen in green, and nitrogen in red.
这张照片并非肉眼所见的颜色，而是离子化氢呈蓝色、氧呈绿色、氮呈红色的画面。
The image was captured using four narrow-band filters that have been tuned to see hydrogen as well as ionized helium, sulfur and oxygen.
获取该图像时使用了四个窄带滤光片，它们都被调谐到可见氢、电离氦、硫和氧。
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