Jeff Gardner, Author at Symposium365

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Astronaut Frank Rubio Coming Home After Record-setting Year in Space

By Jeff Gardner | September 21, 2023

Frank Rubio activates hardware aboard the International Space Station.

Frank Rubio set the record for the longest single spaceflight by an American astronaut on Sept. 11, 2023, which he celebrated aboard the International Space Station. He then achieved a full year in space on Sept. 21.

Record-Breaking Solar Radiation Detected, Raising Physics Questions

By Jeff Gardner | August 7, 2023

A measurement of solar gamma rays observed by the High-Altitude Water Cherenkov Observatory Collaboration, with the Sun in the center.

A new study details the highest-energy radiation ever documented from the Sun, roughly 1 trillion times more powerful than visible light. Not only is the solar radiation stronger than expected, there’s also more of it. The researchers involved say the discovery calls for a “revised theoretical framework” to explain the excess of solar gamma rays.