For a sunspot to form on the solar surface, the magnetic field needs to attain a certain strength to push the surface plasma aside, exposing the solar interior as a cool spot — a sunspot.

在太阳表面，磁场强度必须强到能推开表面的等离子体，将温度较低太阳内部的暴露在外，形成一个太阳黑子。

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Italy has been a relative bright spot in Europe for solar projects as other countries, most notably Germany, reduce their subsidies for solar projects.

在太阳能项目方面，意大利一直是欧洲地区的相对亮点，因为其他国家，比如德国减少了对太阳能项目的补贴。

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That is probably not because most solar systems contain only one planet, but rather because it is hard to spot several at once.

其中的原因可能并不是由于多数的类太阳系仅包含一颗行星，而这是因为在同一时间很难发现多颗的行星。

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Albuquerque, a hot spot for the solar manufacturing industry and home to the Sandia National Laboratories, managed by Lockheed Martin, could see annual economic growth of nearly 4% during the same period.

FORBES: Magazine Article

This summer, two of them merged to form a single oval, larger than the earth, making the second-biggest storm in the solar system after the Great Red Spot.

ECONOMIST: Comparative meteorology

In the past two years, solar energy has become an especially hot spot in the clean energy sector.

FORBES: Could The Credit Crunch Kill Green Energy?