Saturday, February 1, 2020

Astro-Calendar: 2020 Feb. / Once-in-Century Palindrome: Feb. 2

Groundhogday2005.jpg
In addition to being Groundhog Day (above, photo of 2005 annual Groundhog Day ceremony on Gobler's Knob in Punxsutawney, Pennsylvania) and Super Bowl Sunday, February 2 is a once-in-a-century, calendar-date palindrome: 02 / 02 / 2020 (palindrome is a sequence of numbers which reads the same forward as it reads backward), and the 33rd day of the year (in the month including the Leap Year Day, February 29), which is followed by 333 more days! The previous calendar-date palindrome was 1111 November 11 (11 / 11 / 1111). The next two calendar-date palendromes will be 2121 December 12 (12 / 12 / 2121) and 3030 March 3 (03 / 03 / 3030).
More info: Link >>> https://www.washingtonpost.com/science/2020/01/31/sundays-date-is-rare-extra-special-palindrome/
(Image Sources: Wikipedia.org, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=216601)
               
Astronomical Calendar for 2020 February ---
Link >>> http://buhlplanetarium4.tripod.com/astrocalendar/20s20.html#feb

 Related Blog Post ---

"Astro-Calendar: Jan. / SpaceX Crew Dragon Test Launch Jan. 11"

Thursday, 2020 January 2.

Link >>> https://spacewatchtower.blogspot.com/2020/01/astro-calendar-jan-spacex-crew-dragon.html


Source: Friends of the Zeiss.
              Saturday, 2020 February 1.

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gaw

Glenn A. Walsh, Informal Science Educator & Communicator:
http://buhlplanetarium2.tripod.com/weblog/spacewatchtower/gaw/ >
Electronic Mail: < gawalsh@planetarium.cc >
Project Director, Friends of the Zeiss: < http://buhlplanetarium.tripod.com/fotz/ >
SpaceWatchtower Editor / Author: < http://spacewatchtower.blogspot.com/ >
Formerly Astronomical Observatory Coordinator & Planetarium Lecturer, original Buhl Planetarium & Institute of Popular Science (a.k.a. Buhl Science Center), Pittsburgh's science & technology museum from 1939 to 1991.
Formerly Trustee, Andrew Carnegie Free Library and Music Hall, Pittsburgh suburb of Carnegie, Pennsylvania.
Author of History Web Sites on the Internet --
* Buhl Planetarium, Pittsburgh:
  < http://www.planetarium.cc >
* Adler Planetarium, Chicago:
  < http://adlerplanetarium.tripod.com >
* Astronomer, Educator, Optician John A. Brashear:
  < http://johnbrashear.tripod.com >
* Andrew Carnegie & Carnegie Libraries:
  < http://www.andrewcarnegie.cc >

4 comments:

  1. This comment has been removed by the author.

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    ابحث علي الانترنت لمعرفة ومشاهدة بالفيديو كيفية التخلص من النمل الأبيض ليكون عندك خلفية قبل العمل، إذا رأيت أي تلف فسارع بالاتصال المختص لأن هذا التلف يدمر كل اساس البيت، استخدم المبيد الحشري مرة واحدة في الأسبوع، وسد أي فتحة ممكن يدخل منها النمل حمض البوريك.
    شركة مكافحة النمل الابيض بالرياض
    شركة مكافحة صراصير بالرياض
    شركة تنظيف منازل بالخرج
    شركة تنظيف فلل بالرياض

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