But with the genetic material of an extinct virus in front of them, researchers can recreate it in the lab.
如果摆在他们面前的是已经绝迹的病毒基因物质,研究人员就可以在实验室里重新造出这种病毒。
This interstellar "bullet," traveling over three million miles per hour (5 million km), is just catching up with the shock front, which has been slowed by plowing into interstellar material.
这个蓝色的“子弹”每小时飞行500万公里(300万英里),恰好能赶上激震前沿,此时冲击波因为星际物质的阻挡已经减速。
Its strong stellar wind precedes it, compressing and heating the dusty interstellar material and shaping the curved shock front.
强烈的恒星风压缩加热了星际尘埃,并在前方形成弧形的震荡波。
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