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Discover the heavens for less: Save $450 on this five-star telescope at Adorama
Time might be a mirage created by quantum physics, study suggests
Prime Day Lego Star Wars deal: 30% off Luke's X-Wing fighter
The Pococo Galaxy Star Projector has had a 44% Prime Day price drop
NASA rolls giant Artemis 2 moon rocket core off the factory floor for astronaut mission (video)
With its latest moon mission success, China's space program has the US in its sights