A Gamma-ray Burst Disturbed the Earth’s Ionosphere

You’d think that something happening billions of light-years away wouldn’t affect Earth, right? Well, in 2002, a burst of gamma rays lasting 800 seconds actually impacted our planet. They came from a powerful and very distant supernova explosion. Its gamma-ray bombardment disturbed our planet’s ionosphere and activated lightning detectors in India. This particular gamma-ray burst …

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NASA Tests In-Flight Capability of Artemis Moon Rocket Engine

2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA completed a full duration, 650-second hot fire of the RS-25 certification engine Nov. 29, continuing a critical test series to support future SLS (Space Launch System) missions to deep space as NASA explores the secrets of the universe for the benefit of all. …

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