Planet Facts. There are 8 planets in our solar system, they are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. With the exception of Neptune and Uranus the other 6 planets can be seen unaided and all 8 are visible with a small telescope or binoculars.What are facts about all the planets?
Planet Facts Facts about all eight main planets including Mercury, Venus, Mars, Earth, Jupiter, Saturn, Uranus and Neptune. Solar System Facts Information on the sun, the moon, comets, asteroids and more! Dwarf Planet Facts The dwarf planet Pluto facts and some interesting info on others like Haumea, Geres and Makemake.