"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.
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本报北京2月27日电 全国人大常委会副委员长、中国人民争取和平与裁军协会会长彭清华27日在京会见老挝国会副主席、和平与团结委员会主席宋玛·奔舍那一行。双方就中老命运共同体建设、两国立法机构交往与人文交流等深入交换意见。