恒星

W h e th er a plan et can sup p o rt life de p e nd s on th e size and br i gh t ness o f its star, th at i s its 'sun'.

是否一行星能维持生命取决于那大小和亮度的它的恒星，那是它的&太阳&。

NGC 3808 is a nearly face-on spiral galaxy with a bright ring of star formation and several prominent dust arms.

NGC 3808是一个星系盘面几乎朝向我们的漩涡星系，由一个明亮的恒星环和数条显著的尘埃旋臂构成。

Conversely, astrometry works best when a planetary system is "face-on" when seen from Earth, because then the star's movements in the orbital plane are most pronounced.

与之相反，从地球看去行星系统是&面向&的时候天体测量最有效，因为此时恒星在轨道面上的运动最显著。

IC 5298 is a beautiful face-on spiral galaxy with two long arms extending from the central bulge and curving back amongst the scattered stars, gas and dust.

IC 5298是一个漂亮的正向漩涡星系，两条长臂从核球伸展出从散布的恒星、气体和尘埃中卷曲穿过。

M100 (100th object in the Messier catalog of non-stellar objects) is a majestic face-on spiral galaxy.

M100（梅西叶第100个非恒星体编号）是目视非常壮观的螺旋河外星系。

But before it can be devoured, the star lets out one last scream in a flare of light that slowly echoes across the galaxy.

在被黑洞吞噬前，这颗恒星释放出一道光，同时发出最后的&尖叫声&，声音在整个星系中慢慢回荡着。

I m a g ine a star up t o twen ty time s lar g er, bri gh ter and hot ter th an our o wn sun.

设想一恒星大到二十倍较大，较亮和较热比我们的自己的太阳。

By emitting heat that pushes away the galactic gas, the black hole prevents any new stars from being formed.

黑洞通过释放热量将星系气体排斥掉，阻碍了任何新恒星的形成。

The object is actually a shell of gas and dust that has been blown off by a faint central star, lying around 700 light-year away in the constellation of Aquarius.

该星云实际上是一个衰亡中的恒星释放出的气体和灰尘，位于离地球约700光年的宝瓶座星系。

The object is actually a shell of gas and dust that has been blown off by a faint central star, lying around 700 light-year away in the constellation of Aquarius.

该景象实际上是一个衰亡中的恒星释放出的气体和灰尘，位于离地球约700光年的宝瓶座星系。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了