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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100x speedup is achieved by comparing HH with bidirectional A*.
2012年年末，习近平总书记来到骆驼湾村踏雪访贫，同乡亲们聊家常、算细账，一起商量脱贫致富之策。
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