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Planets
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Planets
Current price: $6.99
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![Planets](https://prodimage.images-bn.com/pimages/9781926700885_p0_v1_s600x595.jpg)
Barnes and Noble
Planets
Current price: $6.99
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Super Explorers take you deep into space to see the planets in our Solar System and beyond: • Our Solar System has 8 planets, 5 dwarf planets and many minor planets. • Most planets have at least one moon like Earth, but Jupiter has 69 moons and Saturn has 62! • The Sun’s gravity keeps the planets in our Solar System circling around it. • Mercury is the closest planet to the sun; the temperature there is 117˚C (243˚F). • Neptune is the farthest planet from the sun; the temperature there is –216˚C (–357˚F). • Scientists think there may be extraterrestrial life on Enceladus, a moon of Saturn, because there may be liquid water under the surface!