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   What is the Cosmic Calendar?

   • The Cosmic Calendar is a scale in which the 13.7 billion year lifespan of our universe is mapped onto a single year. This chronological arrangement was done by famous astronomer Carl Sagan. In this mapping, the Big Bang took place on January 1st at 12 a.m., while the present moment is 12 p.m. on December 31st.

   Cosmic Calendar: History Of The Universe In Just 365 Days - Science ABC

   www.scienceabc.com/nature/universe/cosmic-calendar-universe-365-big-bang-compress-history.html

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   What is a cosmic year?

   • Explain that “today” is represented by the last possible moment on December 31st. Thus, this “cosmic year” represents the entire history of the universe. Now we want to see where diferent historical events fall on our calendar of cosmic time. 3.

   Cosmic Calendar - Astronomical Society of the Pacific

   astrosociety.org/file_download/inline/209270e9-db28-455c-85cc-c4f29f1fa349

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   Why did Carl Sagan create the Cosmic Calendar?

   • The concept of the cosmic calendar was popularized by famous astronomer Carl Sagan to help people understand just how far apart on a time scale events in the Universe are. He chronologically arranged the 13.8 billion years of the Universe’s age into a single year.

   Cosmic Calendar: History Of The Universe In Just 365 Days - Science ABC

   www.scienceabc.com/nature/universe/cosmic-calendar-universe-365-big-bang-compress-history.html

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   Where did the Cosmic Calendar come from?

   • Source: The Cosmic Calendar is adapted with permission from Carl Sagan’s book The Dragons of Eden (copy-right © 1977 by Carl Sagan) and from his television series Cosmos.

   Cosmic Calendar - Astronomical Society of the Pacific

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2. en.wikipedia.org › wiki › Cosmic_CalendarCosmic Calendar - Wikipedia

   en.wikipedia.org › wiki › Cosmic_Calendar

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   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.

3. www.scienceabc.com › nature › universeCosmic Calendar: History Of The Universe In Just 365 Days

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   Nov 23, 2022 · The Cosmic Calendar is a scale in which the 13.7 billion year lifespan of our universe is mapped onto a single year. This chronological arrangement was done by famous astronomer Carl Sagan. In this mapping, the Big Bang took place on January 1st at 12 a.m., while the present moment is 12 p.m. on December 31st.

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5. palaeos.com › time › cosmic_calendarPalaeos: Time: The Cosmic Calendar

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   Dec 21, 2011 · The Cosmic Calendar is a scale in which the 13.7 billion year lifetime of the universe is mapped onto a single year. This image helps to put cosmology, evolution, and written history in context. At this scale the Big Bang took place on January 1 at midnight, and the current time is mapped to December 31 at midnight.

6. www.youtube.com › watchThe Cosmic Calendar | Cosmos: Possible Worlds - YouTube

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   Mar 9, 2020 · National Geographic. 22.9M subscribers. Subscribed. 10K. 407K views 4 years ago #NeildeGrasseTyson #NationalGeographic #CosmosPossibleWorlds. The Cosmic Calendar visualizes the chronology of...

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   • Views: 412.1K

   • Author: National Geographic

7. starwalk.space › en › infographicsTimeline of the Universe | Cosmic Calendar | How Old Is Our ...

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   Apr 11, 2022 · The concept of a cosmic calendar was first introduced by famous astronomer Carl Sagan. On this calendar, the 13.8-billion-year history of the Universe is compressed into 1 Earth year: with the Big Bang taking place on the first second of January 1 and modern times arriving a few seconds before midnight of December 31.

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     The Cosmic Calendar | Cosmos: Possible Worlds

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     The Cosmic Calendar | Cosmos: Possible Worlds | National Geographic UK

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     The Cosmic Calendar | Cosmos: A Spacetime Odyssey

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9. www.youtube.com › watchThe Cosmic Calendar | Cosmos: A Spacetime Odyssey - YouTube

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   1.6K. 216K views 10 years ago. Neil deGrasse Tyson explores the cosmic calendar, starting with the big bang. Subscribe: http://bit.ly/NatGeoSubscribe Get More Cosmos:...

   • Video Duration: 56 sec
   • Views: 216.3K

   • Author: National Geographic

10. astrosociety.org › file_download › inlineCosmic Calendar - Astronomical Society of the Pacific

    astrosociety.org › file_download › inline

    calendar strung along the whole classroom allows step 6 to be especially dramatic.) 2. Explain the visual analogy: that the first moment of January 1st of our one-year “Cosmic Calendar” repre-sents the “Big Bang,” which is the beginning of cosmic time. Explain that “today” is represented by the last possible moment on December 31st.