Monday, January 02, 2006

On this day

On 2 January 1905, astronomer Charles Dillon Perrine observed the seventh moon of Jupiter for the first time. It was called Jupiter VII until 1975; it has been re-named Elara.

Here are the 1905 journal articles reporting the discovery:

The first--Harvard College Observatory Bulletin, number 178, page 1:
Harvard College Observatory Bulletin no. 178, top 2/3 of page 1
27 February 1905
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The next--Publications of the Astronomical Society of the Pacific, volume 17, pages 62-3:
Perrine's article from pages 62 and 63 in the Publications of the Astronomical Society of the Pacific volume 17
30 March 1905
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The last--Astronomische Nachrichten, volume 169, pages 43/4:
Perrine's article from page 43/4 of Astronomische Nachrichten volume 169
28 May 1905
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Be content that you are not yet a saint, even though you realize that the only thing worth living for is sanctity.
--Thomas Merton, Seeds of Contemplation, 1949