Q. IXPE (Imaging X-ray Polarimetry Explorer) is a joint mission of which two space agencies?
Answer: National Aeronautics and Space Administration (NASA) and Italian Space Agency
Notes: NASA’s Imaging X-ray Polarimetry Explorer (IXPE) recently solved the mystery behind X-ray emissions in black hole jets. IXPE is a joint satellite mission by the National Aeronautics and Space Administration (NASA) and the Italian Space Agency, launched on December 9, 2021. It is the first satellite designed to measure the polarisation of X-ray light, helping scientists study extreme cosmic environments. The mission focused on blazars, which are a type of active galactic nucleus with a supermassive black hole ejecting a powerful jet of particles aimed toward Earth.

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