The gas giants
The outer four planets of the Solar System, Jupiter, Saturn, Uranus and Neptune, are known as the gas giants because they are mostly composed of gases such as hydrogen and helium.
Herkunftsnachweis:NASA
The outer four planets of the Solar System, Jupiter, Saturn, Uranus and Neptune, are known as the gas giants because they are mostly composed of gases such as hydrogen and helium.
Herkunftsnachweis:NASA
