星系际空间

TeVγ射线在星系际空间传播过程中将与红外背景光子作用而被衰减或吸收。

TeV gamma rays will be attenuated or absorbed due to the interaction with soft photons in intergalactic space .

即使是天文学家过去也很少想到星系际空间。

Even astronomers used to think little of intergalactic space .

当气体集中形成恒星，所产生的喷流与爆炸会将物质向外推回星系际空间，这是一种负向的反馈机制。

As gas pools , it turns into stars , whose outflows and explosions push material back out into intergalactic space & a process of negative feedback .

以密度来说，从行星际到星系际空间的旅行，比从水进入空气中还激烈。国际星际航行研究协会

In terms of density , the voyage from interplanetary to intergalactic space is more drastic than going from water into air . International Interplanetary Space Travel Research Association

上图是宽视场X射线照片，其中显现的是壮观的热气体环，从触角星系的南侧向外延伸至星系际空间。

The top image , a wide field X-ray view , reveals spectacular loops of hot gas spreading out from the southern part of The Antenna into intergalactic space .