We wanted to find out the average cost to replace a roof in the UK so we assume the following when we contacted our chosen companies: 1  A detached house with a simple âup and overâ roof design. 2  Approximately 64 square metres.e wanted to find out the average cost to replace a roof in the UK so we assume the following when we contacted our chosen companies: 1  A detached house with a simple âup and overâ roof design. 2  Approximately 64 square metres.
Jovian Planet Characteristics. Jupiter, Saturn, Uranus and Neptune are the four jovian planets of the solar system. The density of these planets is less than that of the earth, as they are mainly formed of hydrogen along with helium and compounds of hydrogen such as methane and ammonia. The mass of these planets is more than 10 times that of the Earth. 2  They have very small cores as compared to the terrestrial planets. 3  Gas storms are a common phenomena on the surface of the jovian planets.
What are the Jovian Planets (gas giants) and what are 3 things that they have in common? There are 4 Jovian Planets in our Solar System: Jupiter,Uranus,Saturn & Neptune. 3 things they have in common: They are the largest planets in the Solar System. They are all Gas Giants. They all have a powerful enough gravity well to create rings. The Jovian Planets were formed beyond the Frost Line. The planets were formed from ices. The ices that formed the Jovian Planets are more abundant then the metals & rocks that formed the Terrestrial Planets. What are 3 similarities between the Jovian Planets & The Terrestrial Planets Similarities: