"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.
贫困是顽疾，“顽”在成因复杂、难以根除、极易反复。
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“新花都”是Maggie姐的第4个东家，她在这里工作了14年，从一位叱咤舞圈的妈咪升到了业务经理，管理着公司所有的妈咪。之前，她辗转过铜锣湾的“第一”、尖东的“中国城”和湾仔的“巴喇沙”，隔3年一跳，每一跳都紧跟时代节拍。。同城约会对此有专业解读
This is the moment a SpaceX capsule left the International Space Station on an emergency return flight to Earth prompted by a medical issue afflicting one of the astronauts. It is Nasa’s first medical evacuation, with the mission being cut a month short. Onboard were American astronauts Mike Fincke and Zena Cardman, a Russian cosmonaut Oleg Platonov, and a Japanese astronaut Kimiya Yui. Computer modelling predicted a medical evacuation from the space station every three years but Nasa has not had one before in its 65 years of human spaceflight
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