12-06-2014, 12:54 PM
Our Solar System
Our Solar System.ppt (Size: 585 KB / Downloads: 19)
Inner Planets
The inner four rocky planets at the center of the solar system are:
Mercury
Venus
Earth
Mars
Mercury
Planet nearest the sun
Second smallest planet
Covered with craters
Has no moons or rings
About size of Earth’s moon
Venus
Sister planet to Earth
Has no moons or rings
Hot, thick atmosphere
Brightest object in sky besides sun and moon (looks like bright star)
Covered with craters, volcanoes, and mountains
Earth
Third planet from sun
Only planet known to have life and liquid water
Atmosphere composed of composed of Nitrogen (78%), Oxygen (21%), and other gases (1%).
Neptune
8th planet from sun
Discovered through math
7 known moons
Triton largest moon
Great Dark Spot thought to be a hole, similar to the hole in the ozone layer on Earth