“sunspots”造句，怎麼用sunspots造句

But why emerging sunspots should reveal themselves clearly at one depth but not at others is a mystery.

However, there is also evidence that the sun is inexorably losing its ability to produce sunspots (see "the sunspot forecast").

The sun continued to languish until mid-December, when the largest group of sunspots to emerge for several years appeared.

The bright glowing gas flowing around the sunspots has a temperature of over one million degrees Celsius.

Other nasty effects: wrinkled and leathery skin, brown sunspots, and cataracts.