"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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The energy regulator Ofgem’s quarterly cap will drop by 7% for the three months from April to £1,641 a year for the average combined gas and electricity bill in Great Britain for those paying by direct debit, from £1,758 under the current January-March cap.
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同时,庞大的订单规模(全年现制饮品销量达41亿杯,同比增长39%)推动供应链议价能力提升,叠加数字化运营对人力、库存成本的优化,即便面临行业竞争压力,全年GAAP营业利润仍达50.73亿元,营业利润率维持在10.3%。