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  2. Hoag's Object - Wikipedia

    en.wikipedia.org/wiki/Hoag's_Object

    Apparent size (V) 0.28′ × 0.28′ [1] Notable features. Ring galaxy. Other designations. PGC 54559, [1] PRC D-51 [1] Hoag's Object is an unusual ring galaxy in the constellation of Serpens Caput. [5] It is named after Arthur Hoag, who discovered it in 1950 and identified it as either a planetary nebula or a peculiar galaxy. [6]

  3. Roblox - Wikipedia

    en.wikipedia.org/wiki/Roblox

    Genre (s) Game creation system, massively multiplayer online. Mode (s) Single-player, multi-player. Roblox ( / ˈroʊblɒks / ROH-bloks) is an online game platform and game creation system developed by Roblox Corporation that allows users to program and play games created by themselves or other users.

  4. Hickson Compact Group - Wikipedia

    en.wikipedia.org/wiki/Hickson_Compact_Group

    Hickson Compact Group. A Hickson Compact Group (abbreviation: HCG) is a collection of galaxies designated as published by Paul Hickson in 1982. [1] The most famous group on Hickson's list of 100 objects is HCG 92, Stephan's Quintet .

  5. Windows 11 - Wikipedia

    en.wikipedia.org/wiki/Windows_11

    Windows 11 is the latest major release of Microsoft 's Windows NT operating system, released on October 5, 2021. It succeeded Windows 10 (2015) and is available for free for any Windows 10 devices that meet the new Windows 11 system requirements. Windows 11 features major changes to the Windows shell influenced by the canceled Windows 10X ...

  6. IBM Monochrome Display Adapter - Wikipedia

    en.wikipedia.org/wiki/IBM_Monochrome_Display_Adapter

    The Monochrome Display Adapter ( MDA, also MDA card, Monochrome Display and Printer Adapter, MDPA) is IBM 's standard video display card and computer display standard for the IBM PC introduced in 1981. The MDA does not have any pixel-addressable graphics modes, only a single monochrome text mode which can display 80 columns by 25 lines of high ...

  7. Legality of child pornography - Wikipedia

    en.wikipedia.org/wiki/Legality_of_child_pornography

    Child pornography is illegal in most countries, but there is substantial variation in definitions, categories, penalties, and interpretations of laws. Differences include the definition of "child" under the laws, which can vary with the age of sexual consent; the definition of "child pornography" itself, for example on the basis of medium or degree of reality; and which actions are criminal (e ...

  8. Polyvinyl chloride - Wikipedia

    en.wikipedia.org/wiki/Polyvinyl_chloride

    Dielectric Breakdown Voltage. 40 MV/m. Polyvinyl chloride (alternatively: poly (vinyl chloride), [6] [7] colloquial: vinyl [8] or polyvinyl; abbreviated: PVC [8]) is the world's third-most widely produced synthetic polymer of plastic (after polyethylene and polypropylene ). About 40 million tons of PVC are produced each year.

  9. MUSCLE (alignment software) - Wikipedia

    en.wikipedia.org/wiki/MUSCLE_(alignment_software)

    Website. drive5 .com /muscle /. MUltiple Sequence Comparison by Log-Expectation ( MUSCLE) is computer software for multiple sequence alignment of protein and nucleotide sequences. It is licensed as public domain. The method was published by Robert C. Edgar in two papers in 2004. The first paper, published in Nucleic Acids Research, introduced ...