Saturn is made primarily of the basic materials hydrogen and helium, which is what existed in the vicinity of Saturn when it was forming. |
Most of the original air of the giant planets remains in place. (The earth-like planets lost most of their atmospheres very soon after they formed because the atmosphere drifted away). Saturn is made primarily of the basic materials hydrogen and helium, which is what existed near Saturn when it was forming. |
Most of the original air of the giant planets remains in place. (The earth-like planets lost most of their atmospheres very soon after they formed because the atmosphere drifted away). Saturn is made primarily of the simple molecules hydrogen and helium, which is what there was near Saturn when it was forming. |