Bessel
Bessel, Friedrich Wilhelm Bessel, Friedrich Bessel
German mathematician and astronomer who made accurate measurements of stellar distances and who predicted the existence on an 8th planet (1784-1846) [Nemški matematik in astronom, ki je naredil natančne meritve zvezdnih oddaljenosti in napovedal obstoj osme planete (1784–1846).]
Dostopnost
Dostopnost