Four Lasers Just Unlocked Earth's Entire Sky - Astronomy Breakthrough
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Four Lasers Just Unlocked Earth's Entire Sky - Astronomy Breakthrough
ESO's GRAVITY+ project achieved a historic milestone: four lasers successfully created artificial guide stars above Chile's Paranal Observatory, enabling adaptive optics corrections across the entire southern sky. Until now, ground-based telescopes could only correct atmospheric blur near naturally bright reference stars—limiting observations ...
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