Explanation: What does the Andromeda galaxy really look like? The featured before image shows how our Milky Way Galaxy’s closest major galactic neighbor really appears in a long exposure through Earth’s busy skies and with a digital camera that introduces normal imperfections. The picture is a stack of 223 images, each a 300 second exposure,
September 26, 2026 — 11:59pm Save You have reached your maximum number of saved items. Remove items from your saved list to add more. AAA Welcome to the new-look Superquiz! Easier to play on your mobile, the new quiz features a fresh design and more interactive features. Click here to tell us what you think
Explanation: On August 15, this perseid meteor streaked through night skies over the Observatorio del Roque de los Muchachos at La Palma, Canary Islands, Spain. The bright and colorful meteor trail was captured next to the central Milky Way, whose dark interstellar dust clouds and luminous starlight reach above the horizon. In the foreground of
Explanation: Globular star cluster Omega Centauri packs about 10 million stars much older than the Sun into a volume some 150 light-years in diameter. Also known as NGC 5139, at a distance of 15,000 light-years it’s the largest and brightest of 200 or so known globular clusters that roam the halo of our Milky Way
Explanation: The ghosts of five supernovas haunt this extraordinary image. It was acquired at Oukaïmeden Observatory in Morocco with approximately 200 hours of observations and shows a large patch of the sky, equivalent to the area of one thousand full moons tiled together, in the constellation of Auriga (the charioteer). From left to right, the
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