"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.
2026-02-26 00:00:00:0 拥有全球60%人工智能专利、约2/3机器人相关专利
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第一百一十八条 公安机关办理治安案件的期限，自立案之日起不得超过三十日；案情重大、复杂的，经上一级公安机关批准，可以延长三十日。期限延长以二次为限。公安派出所办理的案件需要延长期限的，由所属公安机关批准。
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