The Winter Hexagon involves some of the brightest stars visible, forming a large and easily found pattern in the winter sky of Earth's northern hemisphere.

冬季六边形包括一些可见的最亮的恒星，它们在地球北半球的冬季天空中形成了一个大而容易辨认的图案。

Drought outlook for Northern Hemisphere summer of 2011

2011年夏季北半球旱灾预测

Most of this ten percent is in the northern hemisphere.

而这10%中大多数又在北半球。

MUCH of the northern hemisphere has had a miserable winter.

大半个北半球经历了一个糟糕的冬季。

Solar radiation is the least in the northern hemisphere in January.

北半球一月份太阳辐射最小。