• Pluto has mountains as high as 11,000 ft (3,500 meters).
• Pluto grows redder due to seasonal changes.
• If Pluto had water, energy, and was warmer, Pluto could harbor life.
• Pluto is smaller than Russia.
• Pluto is half as wide as our country.
• Pluto is an outer planet.
• Pluto's orbit is elliptical.