Argelander

[ ahr-guh-lahn-duhr ]

/ ˌɑr gəˈlɑn dər /

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Frie·drich Wil·helm Au·gust

[free-drikh -vil-helm -ou-goost], /ˈfri drɪx ˈvɪl hɛlm ˈaʊ gʊst/, 1799–1875, German astronomer.

QUIZZES

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!

Question 1 of 12

On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

Within the area of the Square Argelander counted thirty naked-eye stars.
A Field Book of the Stars|William Tyler Olcott
A splendid observatory, long under the charge of Friedrich Wilhelm Argelander, stands on the south side of the road.
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2|Various
This is more than three times the Argelander number to the ninth magnitude.
The Popular Science Monthly, August, 1900|Various
Made by M. Argelander, late director of the Observatory at Abo.
Vestiges of the Natural History of Creation|Robert Chambers

Argelander found its period to be 3065 years, with no greater uncertainty than 43 years.
The Story of the Solar System|George F. Chambers