Pluto and Other Dwarf Planets

Pluto and Other Dwarf Planets — page 1
CHAPTER 1 PLUTO In 1929 a young man began working for an observatory His name was Clyde Tombaugh His job was to find a new planet He studied pictures of the night sky for a year Then in 1930 he made a big discovery He found a tiny speck that moved through the sky like a planet He discovered what came to be called Pluto