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  2. List of galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_galaxies

    Size (left) and distance (right) of a few well-known galaxies put to scale. There are an estimated 100 billion galaxies in all of the observable universe. [1] On the order of 100,000 galaxies make up the Local Supercluster, and about 51 galaxies are in the Local Group (see list of nearest galaxies for a complete list).

  3. Lists of astronomical objects - Wikipedia

    en.wikipedia.org/wiki/Lists_of_astronomical_objects

    List of Solar System objects most distant from the Sun; List of Solar System objects by size; Lists of geological features of the Solar System; List of natural satellites (moons) Lists of small Solar System bodies; Lists of comets; List of meteor showers; Minor planets. List of minor planets. List of exceptional asteroids; List of minor planet ...

  4. File:ISO 10628-2 2012 Symbols Sheet 3.svg - Wikipedia

    en.wikipedia.org/wiki/File:ISO_10628-2_2012...

    English: The vector graphic contains SVG renditions of groups 6-9 of ISO 10628-2:2012(en), "Diagrams for the chemical and petrochemical industry — Part 2:Graphical symbols".

  5. File:ISO 10628-2 2012 Symbols Sheet 6.svg - Wikipedia

    en.wikipedia.org/wiki/File:ISO_10628-2_2012...

    25: graphical symbols for piping Links to all sheets in the set: All sheets Sheet 1 (PDF,SVG) Sheet 2 (PDF,SVG) Sheet 3 (PDF,SVG) Sheet 4 (PDF,SVG) Sheet 5 (PDF,SVG) Sheet 6 (PDF,SVG) Sheet 7 (PDF,SVG) Drawing area and reference dimensions specified by ISO 5457:1999(en). Title block specified by ISO 7200:2004(en).

  6. Astronomical symbols - Wikipedia

    en.wikipedia.org/wiki/Astronomical_symbols

    Today, Köhler's symbol is more common among astronomers, and Lalande's among astrologers, although it is not uncommon to see each symbol in the other context. [32] Several symbols were proposed for Neptune to accompany the suggested names for the planet.

  7. File:ISO 10628-2 2012 Symbols.pdf - Wikipedia

    en.wikipedia.org/wiki/File:ISO_10628-2_2012...

    English: The PDF contains 296 symbols described in the standard ISO 10628-2:2012 titled "Diagrams for the chemical and petrochemical industry — Part 2: Graphical symbols". Symbols are grouped in the same way that the standard does. Since SVG does not support multi-page formatting, individual SVG files have been uploaded.

  8. Stephen Hawking: Black holes could be portals to other universes

    www.aol.com/news/2016-04-20-stephen-hawking...

    Of course what comes out of the other side of a black hole would unlikely resemble what went in. According to the Boston Globe , on the matter, Hawking noted , "It's like burning an encyclopedia.

  9. Multiverse - Wikipedia

    en.wikipedia.org/wiki/Multiverse

    This is an accepted version of this page This is the latest accepted revision, reviewed on 22 February 2025. Hypothetical group of multiple universes Not to be confused with Metaverse. "Multiverses" redirects here. Not to be confused with MultiVersus. For other uses, see Multiverse (disambiguation). Part of a series on Physical cosmology Big Bang · Universe Age of the universe Chronology of ...