Answer :
Final answer:
Jupiter, Saturn, Neptune, and Uranus have special characteristics such as their mass, composition, internal heat, and magnetic field.
Explanation:
Jupiter, Saturn, Neptune, and Uranus have several special characteristics:
- Mass: Jupiter is 318 times more massive than Earth, Saturn is about 25% as massive as Jupiter, and Uranus and Neptune are only 5% as massive as Jupiter.
- Composition: Jupiter and Saturn have extensive mantles of liquid hydrogen, while Uranus and Neptune are depleted in hydrogen and helium relative to Jupiter and Saturn.
- Internal Heat: Jupiter, Saturn, and Neptune have major internal heat sources, while Uranus has no measurable internal heat.
- Magnetic Field: Jupiter has the strongest magnetic field and largest magnetosphere of any planet.
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