In a dazzling display of cosmic splendor, the Hubble Space Telescope has photographed NGC 3137, a spiral galaxy 53 million light-years away in the Antlia constellation. Twinkling with star clusters, …
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Hubble Telescope
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Imagine a storm twice Earth’s size raging for centuries—that’s Jupiter’s Great Red Spot, a ruby-red maelstrom that’s been swirling since at least the 17th century. As the solar system’s behemoth, …
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For decades, astronomers assumed the universe’s expansion would decelerate under gravity’s inexorable tug. Yet, observations shattered that view, revealing dark energy as the culprit behind accelerating cosmic growth—a puzzle persisting …