jwst – Milldpress

James Webb Telescope Detects Potential Gas Giant Exoplanet Just 4 Light-Years Away

admin5548 months ago03 mins

New observational evidence from the James Webb Space Telescope (JWST), which has yet to launch, may change that. JWST astronomers have found tantalising hints of an orbiting gas giant around Alpha Centauri A, the closest Sun-like star to us. Located just four light-years away in the Alpha Centauri triple-star system, the potential planet sits within…

Brightest Gamma-Ray Burst Ever Observed Reveals Cosmic Secrets

admin5549 months ago04 mins

On Oct. 9, 2022, astronomers recorded an extraordinary flash of high-energy light. This gamma-ray burst (GRB 221009A), nicknamed the “BOAT” (Brightest Of All Time), was the brightest and most energetic cosmic explosion ever witnessed. It came from a galaxy about 2 billion light-years away, and its blast of gamma rays briefly overwhelmed detectors on orbiting…