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    • D'arrest's Spectroscopical Researches - Nature

      Nature· 6 days ago

      WHEN the late Prof, d'Arrest was called to superintend the building of the new observatory in Copenhagen and the erection of a large refractor (16 feet focal length by 11 ...

    • Our Astronomical Column - Nature

      Nature· 6 days ago

      AN ANCIENT “URANOMETRIA.”—We have received a very interesting work, published by Dr. Schjellerup, of the Observatory of Copenhagen, under the auspices of the Imperial Academy ...

    • Danish Research Expedition - Nature

      Nature· 6 days ago

      Viggo Jarl, who has lent her to the Danish Government for marine research and is paying all expenses. Bruun of the Copenhagen University Museum, who has made many cruises ...