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An interstellar expanse of glowing gas and obscuring dust presents a bird-like visage to astronomers from planet Earth, suggesting its popular moniker, the Seagull Nebula. This broadband portrait of the […]

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This interstellar skyscape spans over 4 degrees across crowded starfields toward the constellation Sagittarius and the central Milky Way. A First Look image captured at the new NSF–DOE Vera C. […]

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Sure, that figure-8 shaped curve you get when you mark the position of the Sun in Earth’s sky at the same time each day over one year is called an […]

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What’s that unusual spot on the Moon? It’s the International Space Station. Using precise timing, the Earth-orbiting space platform was photographed in front of a partially lit gibbous Moon in […]

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Can you find the Rosette Nebula? The red flowery-looking nebula just above the image center may seem a good choice, but that’s not it. The famous Rosette Nebula is really […]

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APOD is 30 years old today. In celebration, today’s picture uses past APODs as tiles arranged to create a single pixelated image that might remind you of one of the […]

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How different does sunset appear from Mars than from Earth? For comparison, two images of our common star were taken at sunset, one from Earth and one from Mars. These […]

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What are all those streaks in the sky? A galaxy, many satellite trails, and a few meteors. First, far in the distance, the majestic band of our Milky Way Galaxy […]

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In this Hubble Space Telescope image the bright, spiky stars lie in the foreground toward the heroic northern constellation Perseus and well within our own Milky Way galaxy. In sharp […]

On April 20, 2023 the shadow of a New Moon raced across planet Earth’s southern hemisphere. When viewed along a narrow path that mostly avoided landfall, the Moon in silhouette […]