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EVALUATION

CONCLUSION

Pluto   * ninth planet from the sun * 3 billion, 666 million miles from the sun * 1 moon named Charon Pluto is the smallest planet. It is smaller than Earth's moon. It is also the coldest spot in the solar system. Pluto is made of rock, not like the other gas planets. Scientists think that this planet used to be a moon of Neptune, but now it travels around the sun. Pluto's orbit travels around the sun in a different path than the other planets. A year on Pluto is 247 Earth-years long. One day is 6 Earth-days long.