Vivo Y400 5G is all set to be launched in India soon. The handset is expected to join the Vivo Y400 Pro 5G which was introduced in June this year. With the release date now official, the company has teased several details about the phone. From launch date and expected price to features and specifications, here is everything we know about the Vivo Y400 5G.
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Friday, August 1, 2025
Brightest Gamma-Ray Burst Ever Observed Reveals Cosmic Secrets
On October 9, 2022, astronomers detected GRB 221009A, the most powerful gamma-ray burst ever recorded, earning the nickname “BOAT” (Brightest Of All Time). This rare, once-in-10,000-year event came from a galaxy 2 billion light-years away and temporarily blinded gamma-ray detectors. It revealed new insights into stellar death, as the associated supernova (SN 2022xiw) was initially hidden by the burst’s brilliance. Using Fermi and the James Webb Space Telescope, scientists detected unique signals like electron-positron annihilation but no heavy elements, challenging assumptions about how such elements are created in stellar explosions and refining GRB and black hole models.
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