light pollution

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Hubble Space TelescopeHubble Space Telescope
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Space debris is hurting us in another way: making the sky brighter
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Space debris is hurting us in another way: making the sky brighter

Also, the blue stragglers mystery may finally be solved

Philip Plait
Philip Plait
NASANASA
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Extending the life of NASA’s Swift mission by boosting its orbit
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Extending the life of NASA’s Swift mission by boosting its orbit

The iconic mission may burn up if we don’t give it a lift. Plus: light pollution is affecting birds’ days

Philip Plait
Philip Plait