Italian James Christy Cited by user Kirk39 on 19 Nov 2023 Christy nacque a Milwaukee nel 1938, a 16 anni con la famiglia si trasferì a Tucson, in Arizona.
Finnish Kuiperin vyöhyke Cited by user Savir on 03 Mar 2023 [[Tiedosto:Outersolarsystem objectpositions labels comp.png|pienoiskuva|Kuiperin vyöhykkeen kohteiden jakauma 1.1.2000.
English Carl Otto Lampland Cited by user Srich32977 on 11 Oct 2022 Carl Otto Lampland (December 29, 1873 – December 14, 1951) was an American astronomer.
English Planets beyond Neptune Cited by user Srich32977 on 10 Oct 2022 Following the discovery of the planet Neptune in 1846, there was considerable speculation that another planet might exist beyond its orbit.