Winchell, Alexander, 1824-1891 · Chicago, S.C. Griggs and company · leaf 76
Fig. 12. Planetary Nebula, H. 2,-i41 Without a Nucleus. NEBUL.^. 47 … Fig. 13.Planetary Nebula, H.WITH TWO Nuclei. to the radius of the sphere.Tliis phenomenon, it hasbeen suggested, may resultfrom edgewise presentationof a ring. This nebula givesa spectrum of three brightlines, one of which is due tohydrogen and one to nitro-gen. G. Stellar Nehulce.—ThQueconsist of…
Nebular hypothesis · Cosmogony
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![An illustration from Angeli Aretini De maleficiis tractatus : de inquirendis animaduertendisq[ue] criminibus, opus nedum vtile, sed necessarium omnibus, maxime ijs, qui ad prouincias regendas constituti sunt ; cui tractatus Alberti de Gandino, nec non Bonifacii de Vitellinis, vnà cum apostillis Augustini de Arimino, & Hieronymi Chuchalon, veluti apendices subiecimus ... cum eiusdem Angeli vita (1573)](https://img.insideoutlibrary.com/img/200/ia-angeliaretinidem00gamb-674-129.webp)
