1795: On 8 December 1795, Peter Andreas Hansen was born.
Hansen was a Danish astronomer whose most important work was the improvement of the theories and tables of the orbits of the principal bodies in the Solar System.
The work in celestial mechanics for which he is best known are his theories of motion for comets, minor planets, moons and his lunar tables, published in 1857. He published his lunar theory in Fundamenta ('Foundation') in 1838, and Darlegung ('Explanation') in 1862-64.
Medijsko okno
6 December
5 December
4 December
ostanite obveščeni
Naročite se na naše e-novice in prejemajte najnovejše novice, posodobitve misij ter ekskluzivne vpoglede neposredno v svoj nabiralnik. Bodite med prvimi, ki izvedo za naše prihajajoče projekte in preboje.