Spacewalking astronauts installed an 88-million-dollar spectrograph designed to detect faint light from faraway quasar .

太空漫步宇航员安装8．8千万美元光谱仪，用于探测来自类体微弱光线。

Quasars are the highly energetic cores of distant galaxies.

类体是系极为活跃核心体。

The parallactic refraction between the stars and the satellite is small and well determinate, except for the irregular stellar movements known as erratics.

除了通称为游不规律体运之外，恒和卫之间视差折光差微小，且是容易测定。

But slows down then possibly meant senile, or moves towards by other heavenly body receive the self-deconstruction, this then is the universe photostar general evolution history.

慢则可能意味着衰老，被其他天体接收或走向自我毁灭，这便是宇宙体大概演化史。