astronomical surveys
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India’s Liquid Mirror Telescope Is Ready for Its Close-up
High in the Himalayas, a new telescope is set to observe the night sky. The contraption has a 4-metre (3.96 m) lens, but here’s the kicker: it’s made of liquid mercury, a material seldom used for astronomical imaging.
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Elon Musk’s Starlink Is Causing More Streaks to Appear in Space Images
Researchers at the Zwicky Transient Facility in California have analysed the degree to which SpaceX’s Starlink satellite constellation is affecting ground-based astronomical observations. The results are mixed.
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Astronomers Spot a Batch of Rogue Planets Near the Galactic Core
Data gathered by NASA’s now-retired Kepler Space Telescope has revealed a small population of free-floating planets near the Galactic Bulge. The new finding raises hope that a pair of upcoming missions will result in further detections of unbound planets, which drift through space separated from their home stars.