Just remember, the constellation Cygnus the Swan contains the Northern Cross.

所要记住的是, 北十字星座在天鹅座里.

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In fact, the constellation Cygnus is sometimes called the Northern Cross.

事实上, 天鹅座有时也被称为北十字星座.

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Thus, Cygnus X - 1 must be smaller than Earth!

因此, 天鹅座X - 1肯定比地球小!

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Its constellation is Cygnus the Swan.

它的星座是天鹅座(即天鹅星座).

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In the north, the constellations it goes through include Auriga, Cassiopeia, and Cygnus.

在北半球, 银河贯穿天鹰座 、 仙后座及天鹅座.

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Okay, I've given you a lot of names here: Summer Triangle, Cygnus, Northern Cross.

好了, 我已提了许多名称,它们是‘夏季大三角’, ‘天鹅座’, ‘北十字星座’.

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