_______1.the movement of the earth on axis is called ________. _______2.this planet has almost the same size and density as the earth. _______3.it is considered the biggest planet. _______4.the only planet that can sustain life. _______5.this planet has an average distance of 85million km from he sun and an equatorial diameter of 4800km. _______6.this planet looks red because of the presence of iron on is surface. _______7.this is the first planet to be discovered using mathematical calcutions before being confirmed by a telescope. _______8.it is called a cold planet. its temperature at the top can reach about -175° C. _______9.Jupiter,Saturn,uranus and Neptune are also called ________. _______10.the movement of the earth around the sun is called______. _______11.this planet is considered an ice giant because it is mostly made up of frozen water,methane and ammonia _______12.this word means "wandering" because the planets are always moving. _______13.mercury,Venus,earth and mars are also called ______. _______14-15.venus rotates from east to west once every(14)_____earth days and revolves around the sun for (15)____days.