"The nebula appears to have distinct regions that capture different phases of its evolution — an outer shell of gas that was blown off first and consists mostly of hydrogen, and an inner cloud with more structure that contains a mix of different gases," NASA's blog post reads. The dark line that runs vertically through the nebula, giving it the cranial appearance, could be the result of "an outburst or outflow from the central star, which typically occurs as twin jets burst out in opposite directions." Both Webb's Near-Infrared Camera (NIRCam) and its Mid-Infrared Instrument (MIRI) were used to document the nebula.
13 February 2026ShareSave
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1990年代至2000年代中期，相關指標曾一路上行。
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Which MacBook should you buy?As of February 2026, I think the 15-inch M4 MacBook Air is the best choice for most people. It offers quiet, Pro-level power in a more portable design and at a more reasonable price point. Better yet, it's frequently on sale for under $1,000 at Amazon and Best Buy.，这一点在搜狗输入法2026中也有详细论述
4. Are experts talking about it? There is always two sides to a story, and it’s important to see if anyone else is discussing it and putting their trusted opinion forward.