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Ask the expert
Why is the Night Sky Dark?
If the universe is infinite and filled with shining stars, we might expect a continuously bright sky. Why then is it dark at night?
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Science news
Farewell to the Environmental Satellite: This Week in Space
Israeli environmental satellite ends operations, SpaceX back in action, Boeing delayed, and an upcoming nova event.
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Science news
Water is From the Moon, Diamonds are From Mercury: This Week in Space
Evidence of water-containing crystals on the Moon, a deep diamond layer in Mercury, and looming shutdown threat to the Chandra X-ray Observatory.
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Science news
A Potentially Habitable Moon Cave
First evidence of a potential horizontal cave on the Moon with access to the lunar surface
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Science news
The New European Rocket: This Week in Space
Chinese rocket failure, Boeing's spacecraft still stuck, and NASA's Mars simulation.
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Science news
Boundary-Breaking Private Mission: This Week in Space
First Polaris mission underway, NASA faces delays on its way to the Moon, and a Chinese rocket launches unexpectedly.
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Science news
2024 Wolf Prize: Blindness Treatment, Encryption and Plant Cloning
The prestigious prize will honor breakthroughs in vision restoration, cosmology, information encryption, and crop yield.
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Science news
From the Negev to the Artemis Program: This Week in Space
The space accelerator at Mitzpe Ramon, Boeing stuck in space, a black hole awakens, and space Lego.
