🔬 Science 1d ago · Larry Sessions

Summer Triangle star: Vega is bright and blue-white

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Summer Triangle star: Vega is bright and blue-white
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This chart shows the 3 stars of the Summer Triangle in the east on July evenings. Note the size of Vega’s constellation, Lyra the Harp. The Summer Triangle is big! A 12-inch (30 cm) ruler, placed at an arm’s length from your eye, will span the approximate distance from Vega to the star Altair. And an outstretched hand will fill the gap between Vega and Deneb. You can see the Summer Triangle in the evening from around May through the end of the year. Chart via EarthSky.
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