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2009 was a common year starting on Thursday of the Gregorian calendar, the 2009th year of the Common Era (CE) and Anno Domini (AD) designations, the 9th year of the 3rd millennium and the 21st century, and the 10th and last year of the 2000s decade.
The Geologic Calendar is a scale in which the geological timespan of the Earth is mapped onto a calendrical year; that is to say, the day one of the Earth took place on a geologic January 1 at precisely midnight, and today's date and time is December 31 at midnight. [1]
With so many constants -- 7 days a week, 52 weeks a year and almost most always 365 days -- it seems surprising that we need to buy a new calendar every year. Even though you can't reuse your 2008 ...
It does not tie into the Gregorian calendar, instead using a "Year 1" of the invention of Warp on Earth. Its version of the original series backstory is: Y1 – Warp drive is developed on Earth. Y4 – Federation is formed by Earth, Vulcan, Andoria, Alpha Centauri. Y40-Y46 – Earth–Romulan War. Y71 – Starfleet is formed.
This backward movement, called "precession", is due to a slight wobble in the Earth's axis as it spins, and can be compared to the way a spinning top wobbles as it slows down. [81] Over the course of 25,800 years, a period often called a Great Year, the Sun's path completes a full, 360-degree backward rotation through the zodiac. [81]
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This page was last edited on 19 December 2024, at 01:05 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.