Overview
- University of Tokyo professor Tomonori Totani says he identified excess gamma rays concentrated in a roughly spherical region surrounding the Milky Way.
- The finding was presented in an academic journal after analyzing about 15 years of observations, reported as data from NASA’s Fermi telescope.
- Researchers describe the result as a possible indirect sign of dark matter rather than a direct detection of dark matter particles.
- Verification will require independent reanalyses and evidence such as similar gamma‑ray signals from other regions of the galaxy.
- NHK and Nishinippon reported the announcement on November 30, underscoring that the interpretation remains tentative.