Original sentence: Jupiter is a giant gas planet and does not have a solid surface.The atmosphere of Jupiter can be divided into four layers: the troposphere, stratosphere, thermosphere and exosphere.This is a result of having temperatures and the pressures well above those of the critical points for hydrogen and helium, meaning that there is no sharp boundary between gas and liquid phases.Unlike the Earth's atmosphere, Jupiter's lacks a mesosphere, and the lowest atmospheric layer, the troposphere, smoothly transitions into the planet's fluid interior