About BOYARSKY A.
About Universiteit Leiden, Leiden, NLD
About RUCHAYSKIY O.
About Ecole Polytechnique Federale de Lausanne, Lausanne, CHE
About IAKUBOVSKYI D.
About Bogolyubov Inst. Theoretical Physics, Kyiv, UKR
About IAKUBOVSKYI D.
About National Univ. “Kyiv-Mohyla Acad.”, Kyiv, UKR
About FRANSE J.
About Universiteit Leiden, Leiden, NLD
About Physical Review Letters
About dark matter
About cosmic X-ray source
About X-ray spectrum
About neutrino
About spiral galaxy
About cluster of galaxies
About star cluster
About data analysis
About CCD camera
About Andromeda galaxy
About Perseus
About right-handed neutrino
About celestial body
About cluster
About group
About Hypothetical particles and other elementary particles
About Leptons
About Andromeda銀河
About ペルセウス銀河団
About X線スペクトル