Deneb is northernmost star in the Summer Triangle.
天津四是“夏季大三角”中最北邊的一顆星.
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Altair is as bright as Vega and Deneb.
牽牛星與織女和天津四相比,光亮度還是略為遜色.
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As our Earth turns tonight , Vega, Deneb and Altair travel westward across the sky.
當地球上夜幕降臨時, 織女星, 天津四以及牛郎星穿過長空向西移動.
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I use a star like Deneb or Altair as they are not too bright ( like Vega ).
當你在戶外看星空,亮星在高倍下調整后,還需要作進一步的校正.
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Vega , the brightest Summer Triangle star, shines to the west ( or right ) of Deneb.
織女星, 夏季大三角中最亮的一顆星, 閃耀在天津星的西面.
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Extend the Albireo to Deneb line in either direction to soar along the galactic plane ( equator ) .
延天鵝星向天津四畫一條直線并向任一方向延伸,你會看到一只在銀道面上展翅翱翔的 天鵝.
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Three stars cross the body near Deneb to form what is known as the Northern Cross.
靠近天津四的三顆星星交叉于天鵝軀干就是我們所熟知的北十字.
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