Italian Sagittarius A* Cited by user ~2026-46475-67 on 25 Aug 2026 Sagittarius A* (abbreviato in Sgr A*) è una sorgente di onde radio molto luminosa, situata nel centro della Via Lattea, parte della grande struttura nota come…
English History of black hole physics Cited by user Johnjbarton on 21 Feb 2026 Black holes have primarily been subjects of research since the advent of general relativity in the early 1900s, although similar concepts were discussed before then.
Ukrainian Чорна діра Cited by user Oleksiy.golubov on 11 Oct 2025 Чорна діра — космічний об'єкт, який створює настільки велику силу тяжіння, що ніщо, навіть світло, не може його покинути.