face-on spiral的意思|示意

Best of all, it happens to be tilted nearly face on from our point of view, so we can see its delicate spiral structure laid out in spectacular detail.

而最棒的是，它恰好正对着我们的视野，让我们有机会一窥其精美螺旋型结构的惊人细节。

Caption: a face-on snapshot of the small spiral galaxy NGC 7742, not just any old spiral galaxy but a Seyfert 2 - a galaxy that is probably powered by a black hole at its core.

描述：小螺旋星系ngc 7742正向快照，不只是古老的螺旋星系而是2型塞弗特星系——其动力可能由星系核心处的黑洞提供。

Viewed face on, it would look like a smooth, flat disk with little spiral structure.

面对看，它看起来像一个平稳，很少有螺旋结构扁平盘。