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Exploring Our Skies

Delphinus, Sagitta, and Vulpecula

Delphinus, Sagitta, and Vulpecula

The Summer Triangle, a large triangle of bright stars (Deneb, Vega, and Altair), lies straight overhead on September evenings in the United States. Delphinus, Sagitta, and Vulpecula all lie in or...

Sagittarius

Sagittarius

Sagittarius, the Archer, lies straight above the southern horizon on August evenings at mid-northern latitudes. The band of the Milky Way runs through the western part of Sagittarius; in fact, the...

Scorpius

Scorpius

Scorpius, the Scorpion, is one of the most distinctive constellations in the night sky. On July evenings, it sits just above the southern horizon at mid-northern latitudes. Antares, the brightest...

Western Hydra

Western Hydra

Hydra represented a water snake to the ancient Greeks. Like a snake, this constellation is long, narrow, and squiggly. Hydra is the largest constellation in the sky, its form stretching about 75°...