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Welcome to Beach Pebble Patterns!
Welcome to a quiet corner for anyone who notices how pebbles line up along the waterline or gather in sheltered coves. Browse the observation sites, form atlases, and field notebooks, and add your own notes on stone patterns when you are ready.
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NASA’s Chandra Observatory Reveals a Giant Cosmic “Treble Clef”
Astronomers have traced a giant radio structure resembling a musical treble clef back to two events separated by millions of years. An outburst from a...
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