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[TREASURE] Celestial Chart StoneThis stone slab with the carvings of a planisphere, a chart of constellations, was made in 1396 by 11 astronomers including ...
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Astronomers discovered 44 ancient stars using gravitational lensing—an astrophysicist explains how they did itThe astronomers detected 44 stars in the "Dragon ... its use here could help chart new interstellar territory, says Jacqueline McCleary, an assistant professor of physics at Northeastern University.
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