Answer | Crossword Clue |
---|---|
URANUS | Planet discovered in 1781 |
PLANET | What Herschell discovered in 1781. |
PLUTO | Planet discovered in 1930 |
NEPTUNE | Planet discovered in 1846 |
PLUTO | Planet discovered in 1930. |
ERIS | Dwarf planet discovered in 2005 |
PLUTO | Dwarf planet discovered in 1930 |