The brightest star of summer nights is diving toward the western horizon. Arcturus, the leading light of Bootes, the herdsman, is about a third of the way up the western sky at nightfall. It is dropping lower each night.
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The brightest star of summer nights is diving toward the western horizon. Arcturus, the leading light of Bootes, the herdsman, is about a third of the way up the western sky at nightfall. It is dropping lower each night.