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Picture of the Day

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Bands of soft green aurorae stretch above a jagged, silhouetted mountain ridge under a star-filled sky, reflecting off a body of water in the foreground. The Milky Way forms a bright, hazy band stretching from the right of the frame to the top. Beside it at left lie a few compact, fuzzy light patches — the Small and Large Magellanic Clouds.

Southern lights

Benjamin Starkel, taken from El Chaltén, Patagonia, Argentina

The aurora australis shimmers above Patagonian mountains, as the Milky Way and the Magellanic Clouds wheel overhead. The photographer used a a Sony mirrorless digital camera and 16mm f/1.8 lens to take a 25-second exposure at ISO 1600.

In the Sky

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What’s Launching This Week

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Today in the History of Astronomy

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May 2026

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