const stack = []; // 单调递增栈：存储每个独立车队的到达时间
author = self._extract_text(soup.select_one(".author"))
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Alexei Hamblin says he became interested in how fashion helps people find their "identity"
It's not yet clear why researchers decided to point Webb in its direction, but little is known about the nebula, including the mass of the star creating it. That matters because a more massive star could eventually explode as a supernova, while a smaller, sun-like star would keep shrugging off layers of material until only a dense core remains and cools over time.
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Webb's sharper view also hints at possible jets from the central star. The dark lane and the way gas appears to push outward near the top of the nebula suggest an ejection that may be shaping the cloud's symmetry, a common feature when aging stars throw material in opposite directions.。业内人士推荐WPS官方版本下载作为进阶阅读
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