![Friedrich Argelander (March 22, 1799 — February 17, 1875), Prussian Astronomer, scientist | World Biographical Encyclopedia Friedrich Argelander (March 22, 1799 — February 17, 1875), Prussian Astronomer, scientist | World Biographical Encyclopedia](https://prabook.com/web/show-photo.jpg?id=2509854&cache=false)
Friedrich Argelander (March 22, 1799 — February 17, 1875), Prussian Astronomer, scientist | World Biographical Encyclopedia
![National Space Centre on Twitter: "#BornOnThisDay in 1799 German astronomer Friedrich Wilhelm August Argelander was the first astronomer to begin a careful study of variable stars. In 1863, Argelander helped lead in National Space Centre on Twitter: "#BornOnThisDay in 1799 German astronomer Friedrich Wilhelm August Argelander was the first astronomer to begin a careful study of variable stars. In 1863, Argelander helped lead in](https://pbs.twimg.com/media/EwOaNaWWgAQOYqC.jpg)
National Space Centre on Twitter: "#BornOnThisDay in 1799 German astronomer Friedrich Wilhelm August Argelander was the first astronomer to begin a careful study of variable stars. In 1863, Argelander helped lead in
![Popular Science Monthly/Volume 39/August 1891/Sketch of Friedrich W. A. Argelander - Wikisource, the free online library Popular Science Monthly/Volume 39/August 1891/Sketch of Friedrich W. A. Argelander - Wikisource, the free online library](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7a/PSM_V39_D448_F_W_A_Argelander.jpg/500px-PSM_V39_D448_F_W_A_Argelander.jpg)
Popular Science Monthly/Volume 39/August 1891/Sketch of Friedrich W. A. Argelander - Wikisource, the free online library
![Friedrich Wilhelm Argelander Alman Astronom Ahşap Oyma 1893 Yayınlandı Stok Vektör Sanatı & Gravür çalışması'nin Daha Fazla Görseli - iStock Friedrich Wilhelm Argelander Alman Astronom Ahşap Oyma 1893 Yayınlandı Stok Vektör Sanatı & Gravür çalışması'nin Daha Fazla Görseli - iStock](https://media.istockphoto.com/id/1212945046/tr/vekt%C3%B6r/friedrich-wilhelm-argelander-alman-astronom-ah%C5%9Fap-oyma-1893-yay%C4%B1nland%C4%B1.jpg?s=612x612&w=0&k=20&c=T3QmemYmDQ2zU5RdZi0tA2wcwSyGav1X4v3C4FZPhvg=)