We still don't know how many galaxies there are in the universe.

我们还不知道宇宙中有多少个。

Extragalactic nebula is invisible to the naked eye.

我们用肉眼是看不到河外。

Quasars are the highly energetic cores of distant galaxies.

类体是遥远极活跃核心体。

NGC 1512 is a barred spiral galaxy in the southern constellation of Horologium.

NGC 1512是一个处在南天时钟座棒旋。

Markarian 273 is a galaxy with a bizarre structure that somewhat resembles a toothbrush.

卡林天体273是一个有着奇异外形，有些像牙刷。

Each galaxy contains myriads of stars.

每一都有无数恒。

29 By making Samyama on the polestar, one gains knowledge of the motions of the stars.

专念于北极，便可获得运动知识。

The Salamanders Chapter hails from a binary planetary system in the western reaches of the Ultima Segmentum.

火蜥蜴军家园位于极限西部边缘地带行上。

Explanation: Across the heart of the Virgo Galaxy Cluster lies a string of galaxies known as Markarian's Chain.

贯穿室女座心脏有一条链，被卡林之链。

The confirmation of Mars-Earth panspermia would suggest that life, once started, could readily spread within a star system.

「火–地球」胚种说如获证实，表示生命一旦出现，便能轻易在内扩散。

Right up to the present day, all experimental data, on scales ranging from subnuclear to galactic, are successfully explained by these three theories.

而到目前止，小至次原子核，大至，所有实验数据，都能用这三大理论圆满地解释。

Ambitious future observers might also send out probes that escape the supergalaxy and could serve as reference points for detecting a possible cosmic expansion.

有企图心未来观测者，或许会发射一些能够脱离超级探测器，做侦测宇宙膨胀参考点。

A satellite galaxy of our Milky Way, the Small Magellanic Cloud is wonder of the southern sky, named for 16th century Portuguese circumnavigator Ferdinand Magellan.

我们银河一个伴——小麦哲伦云——是南方天空中奇景。以16世纪著名环游世界葡萄牙人麦哲伦名字命名。

The corotation circle acts as an interface that can either reflect or transmit these waves, allowing them to gain energy at the expense of the global rotational kinetic energy of the galaxy.

共同旋转圈作用，像个可以反射或透射这些波介面，让它们转换整体转动动能自身能量。

The end point of the collapse and relaxation of a protogalaxy is a dark matter halo, inside of which the baryonic gas is in hydrostatic equilibrium at a temperature of typically a few million degrees.

原塌缩与松弛最终点就是黑暗物质晕，里面有处于流体静力平衡重子气体，一般温度约数百万度。