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  2. Millennium - Wikipedia

    en.wikipedia.org/wiki/Millennium

    The start of the 21st century and 3rd millennium was celebrated worldwide at the start of the year 2000. One year later, at the start of the year 2001, the celebrations had largely returned to the usual ringing in of just another new year, [8] although some welcomed "the real millennium", including America's official timekeeper, the U.S. Naval ...

  3. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    One quadrillionth of a second. svedberg: 10 −13 s: Time unit used for sedimentation rates (usually of proteins). picosecond: 10 −12 s: One trillionth of a second. nanosecond: 10 −9 s: One billionth of a second. Time for molecules to fluoresce. shake: 10 −8 s: 10 nanoseconds, also a casual term for a short period of time. microsecond: 10 ...

  4. Non-numerical words for quantities - Wikipedia

    en.wikipedia.org/wiki/Non-numerical_words_for...

    Primarily denotes ten years, but occasionally refers to ten of something Duo: 2 In reference to people engaged in an endeavor together, as in musical performance (other words denote three or more people in the same context: trio, quartet, etc.) Grand: 1,000 Slang for a thousand of some unit of currency, such as dollars or pounds. Gross: 144 ...

  5. List of decades, centuries, and millennia - Wikipedia

    en.wikipedia.org/wiki/List_of_decades,_centuries...

    See calendar and list of calendars for other groupings of years. See history , history by period , and periodization for different organizations of historical events. For earlier time periods, see Timeline of the Big Bang , Geologic time scale , Timeline of evolution , and Logarithmic timeline.

  6. A giant, ancient meteor four times the size of Mount Everest ...

    www.aol.com/news/giant-ancient-meteor-four-times...

    The meteorite, S2, was first discovered in 2014. It hit the planet about 3.26 billion years ago and is estimated to have been up to 200 times larger than the space rock that later killed the ...

  7. Orders of magnitude (time) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(time)

    19.41414912 Ms: One year on Venus. 20.9967552 Ms: The rotational period of Venus. 31.55815 Ms (365 d 6 h 9 min 10 s): The length of the true year, the orbital period of the Earth 126.2326 Ms (1461 d 0 h 34 min 40 s): The elected term of the President of the United States or one Olympiad. 10 9: gigasecond Gs decades, centuries, millennia (1 Gs ...

  8. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    For larger values, it includes named numbers at each multiple of 100; including lakh (10 5) and crore (10 7). [1] English also has words, such as zillion, that are used informally to mean large but unspecified amounts.

  9. History of large numbers - Wikipedia

    en.wikipedia.org/wiki/History_of_large_numbers

    Later Hindu and Buddhist texts have extended this list, but these lists are no longer mutually consistent and names of numbers larger than 10 8 differ between texts. For example, the Panchavimsha Brahmana lists 10 9 as nikharva , 10 10 vâdava , 10 11 akṣiti , while Śâṅkhyâyana Śrauta Sûtra has 10 9 nikharva , 10 10 samudra , 10 11 ...