英语语法分析

The center of the umbra is much darker than its edges, " it says.

阴影的中心要比边缘暗得多，”杂志上说。

Deep Umbra: the aspects of the Umbra far beyond Earth, in deep space.

深影界：影界远离物质界的一面，位于深层空间。

This includes the continuous survey of umbra and penumbra of the sunspot.

这包括对太阳黑子本影和半影持续的观测。