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26May

Possibly the First Detonation Rocket Flight

Image Credits: New AtlasVenus Aerospace may have achieved a world first by successfully flying a Rotating Detonation Rocket Engine (RDRE) in the U.S.—a propulsion system that uses supersonic explosions and could power future hypersonic vehicles.On May 14, 2025, Venus Aerospace conducted a test flight at Spaceport America near White Sands Missile Range, New Mexico,...

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08Mar

Have We Finally Seen the Universe’s First Stars?

Globular clusters, such as NGC 1866, contain very old Population II stars, the generation that followed Population III. (ESA/Hubble & NASA)Long before stars illuminated the cosmos, the Universe existed in a vast sea of hydrogen and helium. Only when these gases clumped together under immense pressure did the first stars ignite, forging heavier elements in...

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