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April 27, 2025

NASA

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What's that red ring in the sky? Lightning. The most commonly seen type of lightning involves flashes of bright white...

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Are stars better appreciated for their art after they die? Actually, stars usually create their most artistic displays as they...

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Why is Polaris called the North Star? First, Polaris is the nearest bright star toward the north spin axis of...

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To some, it looks like a giant chicken running across the sky. To others, it looks like a gaseous nebula...

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Where is the center of the Egg Nebula? Emerging from a cosmic egg, the star in the center of the...

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Majestic on a truly cosmic scale, M100 is appropriately known as a grand design spiral galaxy. It is a large...

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Brilliant, blue, supergiant star Rigel marks the foot of Orion the Hunter in planet Earth's night. Designated Beta Orionis, it's...

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