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  中新社南京7月30日电 (记者 徐珊珊)据中国科学院紫金山天文台7月30日消息,8月天穹,壮丽的夏季银河将横贯夜空,为即将到来的七夕佳节铺就“鹊桥”。而一年一度的英仙座流星雨更会在当月以璀璨“星泪”呈现,提前为这份千年守望增添浪漫色彩。

  作为北半球三大流星雨之一,英仙座流星雨的活跃期从每年7月中旬延续至9月初。今年的极大期预计出现在8月13日凌晨。其流星体速度快,亮流星与火流星频现,色彩丰富多变,极具观赏性。天文专家指出,尽管恰逢亏凸月升起带来月光干扰,后半夜辐射点升高后,观测者仍有望每小时目睹数十颗流星划过天际。

  “迢迢牵牛星,皎皎河汉女。”8月29日七夕之夜,星河高悬,牛郎星与织女星也将高挂天顶,隔着璀璨银河遥遥相望,与天津四共织“夏季大三角”,带来“金风玉露一相逢”的浪漫。

  8月天宇“甜蜜连击”,行星“私语”同样精彩纷呈。12日凌晨,金星与木星这对夜空中明亮的行星将上演“亲密接触”,金星耀眼夺目,木星清辉相伴,在黎明前的东方低空紧紧相依;20日黎明时分,“月姑娘”将加入金星与木星的聚会,构成“双星伴月”画卷。

  8月19日,天宇将迎来今年观测条件最佳的水星西大距。日出前,这颗平时难得一见的行星将现身东方低空。更引人注目的是,在随后的黎明时分,水星将与金星、木星及细月为伴,形成行星与月亮共舞的难得景象。(完)

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