Friday, 8 November 2013

Astronomy Scrapbook Saturday November 9th 2013

On This day
November 9th 1853

The Carrington rotation of the Sun is a system for comparing locations on the Sun over a period of time,  This allows for the following of sunspots.

 The Sun takes 27.2753 days for the purpose of Carrington rotations. Each rotation of the Sun under this scheme is given a unique number called the Carrington Rotation Number, starting from November 9, 1853 with Carrington Rotation number 1.

Richard Carrington (26 May 1826 – 27 November 1875) was an English amateur astronomer  whose 1859 observations of the Sun, demonstrated the existence of solar flares as well as suggesting their electrical influence upon the Earth and the Aurora.

On This Day
November 9th 1934

 Carl Sagan was born this day Brooklyn, New York. He was an American astronomer, astrophysicist , cosmologist, science popularizer and science communicator.

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