magine the Milky Way’s 100 billion stars as a flat, tranquil pool of I water. Now picture someone dropping a stone the size of 400 million Suns into that water. The tranquillity is shattered. Wave after wave of energy ripples across the galaxy’s surface, jostling and bouncing its stars
The Milky Way is ‘rippling’ like a pond
Oct 27, 2022
2 minutes
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