Partly obscured by foreground dust, the nebula itself surrounds NGC 1893, a young galactic cluster of stars that energizes the glowing gas.

这片星云本身环绕着部分被前景上的星尘所掩盖了的NGC 1893，这是一个年轻的恒星星系群，它给发光的气体提供了能量。

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Astronomers used the way that light from distant stars was distorted by a huge galactic cluster known as Abell 1689 to work out the amount of dark energy in the cosmos.

天文学家应用来自遥远恒星的光线的路线被一个巨大银河星系团(Abell 1689)所扭曲，由此计算出宇宙中暗能量的总量。

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The image shows both old stars and youngstars, a galactic globular cluster and emission from dust in our owngalaxy

图像既显示了老星，也显示了新星，还显示了一个星系的球状星团和我们自己星系尘埃的辐射。

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One of these ridges, dubbed the Galactic Center spur, apparently stems from a super-stellar cluster orbiting the galaxy's center.

MSN: Giant gas geysers erupting from Milky Way galaxy