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  • Amy Anguiano

    Yepun, a Unit Telescope of ESO’s Very Large Telescope, shoots a yellow laser beam into the sky. The beam creates a glowing spot — an artificial star — in the Earth’s atmosphere. Astronomers then use the Laser Guide Star to control the telescope’s deformable mirrors and remove the effects of atmospheric distortions, producing images almost as sharp as if the telescope were in space. The image also captures the Large and Small Magellanic Clouds, nearby irregular dwarf galaxies, to the left and to

  • Candy Hamilton

    Yepun’s Laser and the Magellanic Cloud - Yepun is the fourth 8.2-metre Unit Telescope of ESO’s Very Large Telescope (VLT) facility (credit: ESO/B. Tafreshi/TWAN)

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