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  2. Galactic year - Wikipedia

    en.wikipedia.org/wiki/Galactic_year

    The galactic year, also known as a cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. [1] One galactic year is approximately 225 million Earth years . [ 2 ]

  3. Outline of galaxies - Wikipedia

    en.wikipedia.org/wiki/Outline_of_galaxies

    Download as PDF; Printable version; ... Galactic year – duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. [1]

  4. Cosmic Calendar - Wikipedia

    en.wikipedia.org/wiki/Cosmic_Calendar

    The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.

  5. Template:Infobox planet/doc - Wikipedia

    en.wikipedia.org/wiki/Template:Infobox_planet/doc

    This template is an infobox for planets. Template parameters This template prefers block formatting of parameters. Parameter Description Type Status extrasolarplanet extrasolarplanet no description Unknown optional exosolar planets exosolar planets no description Unknown optional minorplanet minorplanet When given a value (e.g., yes), it changes labels, section headings, and links to a ...

  6. Timeline of knowledge about galaxies, clusters of galaxies ...

    en.wikipedia.org/wiki/Timeline_of_knowledge...

    2020 — After a 20-year-long survey, astrophysicists of the Sloan Digital Sky Survey publish the largest, most detailed 3D map of the universe so far, fill a gap of 11 billion years in its expansion history, and provide data which supports the theory of a flat geometry of the universe and confirms that different regions seem to be expanding at ...

  7. Rare comet may be visible to the naked eye. Here's ... - AOL

    www.aol.com/rare-comet-may-visible-naked...

    Comet Tsuchinshan-ATLAS has an 80,000 year orbit and, it just so happens, that it is now approaching its closest pass to Earth. Rare comet may be visible to the naked eye. Here's where to look.

  8. This comet is making its 80,000-year orbit around Earth. Here ...

    www.aol.com/news/comet-making-80-000-orbit...

    You have just a few weeks left to view the "comet of the century" making its 80,000-year orbit around Earth. Comet C/2023 A3 Tsuchinshan–ATLAS will be visible with the naked eye from Earth until ...

  9. AOL Mail is free and helps keep you safe.

    mail.aol.com/?rp=webmail-std/en-us/basic

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!