Stars in the process of formation, called young stellar objects or YSOs, are embedded in the compact pinkish nebulae seen here, but are otherwise hidden from the prying eyes of optical telescopes.

在形成过程中的恒星，被称为年轻恒星或者yso，都嵌在了你所看到的紧凑的粉色星云之中，不过如果通过光学望远镜来观察的话是看不到的。

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Reflecting the light of nearby hot stars, NGC 2170 is joined by other bluish reflection nebulae, a compact red emission region, and streamers of obscuring dust against a backdrop of stars.

这反映了附近恒星的光热，2170星系是由其他蓝色反射星云，紧凑的红色发光区域，以及在模糊的背景下对恒星尘埃的飘带组成。

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Brighter stars peering through the auroral glow at the left form the recognizable northern asterism, the Big Dipper. A more compact Pleiades star cluster shines at the far right.

在左面穿透北极光依然闪亮的是著名的北方星座——北斗七星，在右面较远地方闪耀的是更紧凑的昴宿星团。

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For example, Neutron stars, the ultra-compact bodies left over when massive stars explode, are thought to have rotation properties similar to those seen in superfluids.

BBC: Magnet repelled over superconductor, SPL

Music stars have paid tribute to US producer and compact disc pioneer Phil Ramone, who has died at the age of 79.

BBC: Tributes paid to US music producer Phil Ramone