Gas giants group?

Gas giants group?

• A. The 4 outer planets: Jupiter, Saturn, Uranus, Neptune
• B. Mercury, Earth, Jupiter, Uranus
• C. The 4 inner planets: Mercury, Venus, Earth, Mars
• D. Venus, Mars, Saturn, Neptune

Answer: (A)

Gas giants are the large planets that lie farthest from the Sun, made mostly of light gases like hydrogen and helium and lacking solid surfaces. They form the outer part of the solar system and are much more massive than the rocky planets closer to the Sun. The set that fits this grouping is Jupiter, Saturn, Uranus, and Neptune—the four outer planets. That’s why this option is the best; it lists exactly the planets that share the gas-giant, outer-planet identity. The other options mix in the terrestrial planets (Mercury, Venus, Earth, Mars) or omit some of the outer planets, so they don’t match the gas giants as a group.

Gas giants are the large planets that lie farthest from the Sun, made mostly of light gases like hydrogen and helium and lacking solid surfaces. They form the outer part of the solar system and are much more massive than the rocky planets closer to the Sun. The set that fits this grouping is Jupiter, Saturn, Uranus, and Neptune—the four outer planets. That’s why this option is the best; it lists exactly the planets that share the gas-giant, outer-planet identity. The other options mix in the terrestrial planets (Mercury, Venus, Earth, Mars) or omit some of the outer planets, so they don’t match the gas giants as a group.