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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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组织未成年人从事第一款活动的，从重处罚。
《台湾百科全书·历史》的出版，历经10余年编纂，是《台湾百科全书》中最早推出的一卷。它通过词条形式讲清楚台湾历史的基本面貌，是一本内容详实、方便查阅的严肃读物。本书时间范围从史前文化延续至1949年，共有条目1369条，由概述性文章、正文、大事年表、索引四部分组成，总字数约96万。