1995年发现的海尔-波普彗星是一颗异常明亮的彗星。
Comet Hale-Bopp, discovered in 1995 was an unusually bright comet.
大约有3200颗长期的彗星已为人们所知，其中最著名的一颗是海尔-波普彗星，在1996年与1997年间这颗彗星甚至用裸眼就能看到。
About 3,200 long-period comets are known, one of the most famous being Hale-Bopp which was visible to even the naked eye during 1996 and 1997.
海尔·波普彗星的运行方向，页30.7au一文。
最近出现的高亮度彗星是海尔·波普彗星(Hale - Bopp)，它在1997年到达距离地球1.22亿英里(1.97亿公里)的范围内。
A recent, highly visible comet was Hale-Bopp, which came within 122 million miles (197 million kilometers) of Earth in 1997.
他们发现，同地球上的水相比，氘的含量更高——但同海尔·波普彗星、哈库塔克彗星和哈雷上的水有着相似的平。
They found deuterium at higher levels than it's found in Earth water —but at levels similar to the comets Hale-Bopp, Hyakutake and Halley.
他们发现，同地球上的水相比，氘的含量更高——但同海尔·波普彗星、哈库塔克彗星和哈雷上的水有着相似的平。
They found deuterium at higher levels than it's found in Earth water - but at levels similar to the comets Hale-Bopp, Hyakutake and Halley.
数据显示月球水比地球水包含更多的重氢元素，并与海尔·波普彗星、百武彗星及哈雷彗星更为接近。
They found deuterium at higher levels than it's found in Earth water-but at levels similar to the comets Hale-Bopp, Hyakutake and Halley.
1997年，海尔—波普彗星出现的时候，有一种传言说有一艘外星人的飞船躲在该彗星的后面，当然了，这种谣言是从美国宇航局和天文学界传出来的。
When comet Hale-Bopp appeared in 1997, rumors surfaced that an alien spacecraft was following the comet - covered up, of course, by NASA and the astronomical community.
不管怎样，海尔波普彗星已为摆脱其邋遢的形象而游走了数十亿公里，这样的壮举比其它任何天文学家所观测过的彗星都要更胜一筹。
Either way, Hale–Bopp managed to travel billions of kilometers before giving up its messy ways, farther than any comet astronomers have ever seen.
大约有3200颗长期的彗星已为人们所知，其中最著名的一颗是海尔·波普彗星，在1996年与1997年间这颗彗星甚至用裸眼就能看到。
About 3, 200 long-period comets are known, one of the most famous being Hale-Bopp which was visible to even the naked eye during 1996 and 1997.
海尔波普彗星在位于海王星轨道上方出现，因其与太阳之间距离足够远，所以并未出现脏尾。-约翰·迈特森报道。
Comet Hale-Bopp has been spotted beyond the orbit of Neptune, far enough from the sun to be without its dirty tail. John Matson reports.
海尔成为众矢之的，充满恨意的电子邮件向他蜂拥而来，大部分都指控他是隐瞒海尔·波普彗星真相这项阴谋的一员。
Hale became the target of a flood of hate Email, much of it accusing him of being part of a conspiracy to suppress the true nature of Hale-Bopp.
上一次出现这种明显彗尾细纹的彗星是1997年的海尔·波普彗星。
The last comet to show prominent striae was comet Hale-Bopp in 1997.
海尔·波普彗星在位于海王星轨道上方出现，因其与太阳之间距离足够远，所以并未出现脏尾。
Comet Hale -bopp has been spotted beyond the orbit of Neptune, far enough from the sun to be without its dirty tail. John Matson reports.
海尔·波普彗星在位于海王星轨道上方出现，因其与太阳之间距离足够远，所以并未出现脏尾。
Comet Hale -bopp has been spotted beyond the orbit of Neptune, far enough from the sun to be without its dirty tail. John Matson reports.
应用推荐