"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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2013年11月，正是在这个大山深处的苗寨院坝，习近平总书记同村干部和村民代表围坐在一起，亲切地拉家常、话发展，首次提出了“精准扶贫”理念。，详情可参考51吃瓜
Smith said the birth showed that girls and young women who were told they didn't have a womb could now have hope of carrying their own child.