There is a particular moment every July when the night sky makes perfect sense to me. Every time I step outside at night, I instinctively look overhead for the Summer Triangle. Not because it's the most spectacular sight in the sky. In fact, the vast asterism is almost suspiciously simple: three bright stars, large enough to cut through twilight and light pollution without much effort.
Experienced stargazers quietly depend on the Summer Triangle more than we admit. People imagine astronomy involves memorizing the entire sky at once, knowing exactly where each star is and what it's called. Everyone navigates differently, but we all rely on familiar anchor points because the night sky changes quickly with the seasons.
The Summer Triangle is one of the best anchors because it appears exactly when the northern sky can otherwise feel vague and washed out during late twilight. Once those three stars appear, I immediately know where everything else is. The Milky Way becomes easier to trace. The darker regions o...
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