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4.5 Solar System

TermDefinition
Mercury is closest to the sun and is a small, heavily cratered planet. Mercury looks like our moon. Mercury is the smallest planet in our solar system and its atmosphere is very thin.
Venus is the second planet from the sun. Similar to Earth in size and mass, Venus has a permanent blanket of clouds that traps thermal energy which causes high surface temperatures.
Earth is the third planet from the sun. Earth’s atmosphere, its liquid water, and its distance from the sun (among other factors) make Earth ideal for life.
Mars is the fourth planet from the sun and is sometimes called the red planet. The atmosphere on Mars is thin. Mars has a vast network of canyons and riverbeds. Mars is roughly half the size of Earth.
Jupiter is the fifth planet from the sun, the largest planet in the solar system (eleven times larger than Earth), and it is considered a gas giant. Jupiter has no solid surface. Its colored cloud patterns are caused by enormous storms in its atmosphere.
Saturn is the sixth planet from the sun. Saturn’s atmosphere is similar to that of Jupiter. Saturn is almost ten times the size of Earth.
Uranus is the seventh planet from the sun. Uranus is a gas giant and is unique in that it spins on its side. It has a large atmosphere and is a cold planet that is four times the size of Earth.
Neptune a very cold planet, is eighth from the sun. Neptune appears blue because of its atmosphere. It is roughly four times the size of Earth.
Pluto is no longer included in the list of planets in our solar system due to its small size and irregular orbit
Terrestrial Planets rocky and have hard surfaces (Mercury, Venus, Earth, and Mars)
Gas Giant Planets made of gasses and have no hard surface (Jupiter, Saturn, Uranus, Neptune)
Rotation describes Earth spinning on its axis
Revolution describes Earth orbiting around the sun
Created by: user-2007132
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