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  2. Caribbean Examinations Council - Wikipedia

    en.wikipedia.org/wiki/Caribbean_Examinations_Council

    The Caribbean Examinations Council (CXC) is an examination board in the Caribbean. [ 1 ] [ 2 ] It was established in 1972 [ 3 ] under agreement by the participating governments in the Caribbean Community to conduct such examinations as it may think appropriate and award certificates and diplomas on the results of any such examinations so conducted.

  3. List of important publications in physics - Wikipedia

    en.wikipedia.org/wiki/List_of_important...

    1 General audience. 2 Textbooks. 3 Bibliographies by author. 4 Journals. ... This is a list of noteworthy publications in physics, organized by type. General audience

  4. Physics and Astronomy Classification Scheme - Wikipedia

    en.wikipedia.org/wiki/Physics_and_Astronomy...

    The Physics and Astronomy Classification Scheme (PACS) is a scheme developed in 1970 [1] by the American Institute of Physics (AIP) for classifying scientific literature using a hierarchical set of codes. [2] PACS has been used by over 160 international journals, [1] including the Physical Review series since 1975.

  5. 2023 CX1 - Wikipedia

    en.wikipedia.org/wiki/2023_CX1

    The last time 2023 CX 1 made a close approach to Earth was around 7 (± 1) June 2000, when it passed around 150–161 LD (58–62 million km; 36–38 million mi) from the planet. [4] Before that, 2023 CX 1 had made several distant close approaches with Earth and Mars during the 1900s, though it probably never approached within 10 LD (3.8 ...

  6. Direct collapse black hole - Wikipedia

    en.wikipedia.org/wiki/Direct_collapse_black_hole

    At this density, the object undergoes a general relativistic instability, [14] which leads to the formation of a black hole of a typical mass ~ 10 5 M ☉, and up to 1 million M ☉. The occurrence of the general relativistic instability, as well as the absence of the intermediate stellar phase, led to the denomination of direct collapse black ...