Quantum Physics Could Help Us Find Earth 2.0

When astronomers talk about directly imaging an exoplanet that is orbiting a far away star, the analogy they most commonly go with is trying to spot a fireflight next to a massive search light. An Earth-like exoplanet is incredibly dim – usually between 100 million and 10 billion times fainter than its host star. Understandably, that makes them very difficult to see. But a new paper from Hyunsoo Choi of Hanyang University in South Korea and his co-authors, which is…

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