official news from : https://bit.ly/2QkyIbY Galaxies carry the imprints of past encounters. When they pass near one another or collide, gravity pulls their stars into long tails, thin streams, and faint shells – features that preserve the history of these dramatic events. Thanks to deep, high-resolution images from the Euclid space telescope, an ESA (EuropeanContinue reading “Help Galaxy Zoo: Tidal Tales Open Cosmic Storybook”
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