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Only galaxies with a spherical bulge-like component appear to accommodate supermassive black holes .

只有拥有球形膨胀组件的星系才可能容纳质量超大的黑洞。

This means that if it was magnified to the size of the solar system , it would still appear spherical to within the width of a human hair .

这意味着，如果将其尺寸放大到太阳系大小，它仍将是一个误差不超过头发丝粗细的圆。

Both are ways of trying to hold both the flat earth and spherical earth models at the same time .

这两种模型都希望能同时维持“地球是平的”和“地球是圆的”两个概念。

More orders are possible but to produce them a perfectly spherical water droplet is required .

只要具有完美无缺的球形水滴，产生更多层次的彩虹都是可能的。

Globular clusters are nearly spherical groups of hundreds of thousands of stars bound by gravity .

球状星团是近乎球形恒星群，由成千上万颗恒星构成，这些恒星通过引力作用被束缚在一起。