NGC 4697 is beyond this frame above and to the left, but a smaller irregular galaxy NGC 4731a can be seen near the bottom in impressive detail with its own young blue star clusters.

NGC 4697在这帧照片的左上画面之外，而画面底端可见较小的不规则星系ngc 4731a，它自己的年轻蓝色星团细节令人印象深刻。

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In a new picture, hundreds of young, bright stars heat up the gases of the Triangulum galaxy, creating a distinctive red glow.

在这个新的图片中，成千上万的年轻的，明亮的恒星照亮了三角座星系的星云，呈现出了一个与众不同的红色光芒。

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Because we see the galaxy when it was young, this result suggests spiral discs start off with steep metallicity gradients.

因为我们看到的它还处于早期，这个结果表明螺旋星系主盘开始时有着很大的金属丰度梯度。

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But they were shocked to see a vast swathe of ultraviolet light from young stars, indicating that the galaxy is actually big enough to accommodate five of our Milky Way galaxies within it.

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