Space Photos of the Week: A Tale of Two Galaxies

This mesmerizing photo resembles a few familiar things—a fingerprint, perhaps, or the inside of a tree—but it’s actually the rotation of the Large Magellanic Cloud. The LMC, a satellite galaxy of the Milky Way, is just 1/100th the size of our home galaxy. The European Space Agency’s Gaia telescope—which recently collected data on 1.7 billion …

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