Pluto....A Controversial Planet! Pluto is a very controversial planet. The reason for this is because it's a dark and distant planet and it's hard to study it clearly enough to be satisfied. Pluto was discovered in 1930 by an astronomer by the name of Clyde Tombaugh. Then James Christy and Robert Harrington discovered Pluto had a satellite, they named it Charon. Pluto and Charon are referred to as double planets. Some of the facts, or …
showed first 75 words of 835 total

showed last 75 words of 835 total
…