7。
Marsiscarriedaroundthesunbyitsplanetcurrentatadistanceof140，000，000miles，whichrequires687days，androtatesevery24
hours，37minutes，and221/2seconds。Diameter，4，200miles。Marshastwosatellitesandisnotabundantinvaporwhichcausesitsreddishappearance，thereforevegetationandanimalsarescanty。
8。
Jupiteristhelargestmajorplanet。Itmakesagreatjumpfromthesunof483，000，000miles，carriedbyitsplanetcurrenttocompleteitsorbitin12years。Rotatesevery9hours，55minutes，and37