The Planets Notes Check

Planet closest to Sun

•has no true atmosphere; surface temperatures are extreme

•has many craters and long, steep cliffs

• Mercury

• Venus

• Earth

• Mars

Second from Sun and similar to Earth in size and mass

•extremely dense atmosphere of clouds causing intense greenhouse effect resulting in surface temps between 450ᵒC and 475ᵒC

• Mercury

• Venus

• Earth

• Mars

Third planet from the Sun

•water exists on Earth as solid, liquid and gas

•atmosphere protects surface from meteors and Sun’s radiation

• Mercury

• Venus

• Earth

• Mars

Fourth planet from the Sun

•called the red planet because of the iron oxide that is present in the surface rocks giving them reddish color

•thin atmosphere causing extreme temperatures, strong winds and global dust storms

•has polar ice caps, seasons, and other evidence that water is or was once present

• Mercury

• Venus

• Earth

• Mars

Largest planet in solar system; fifth from Sun

•atmosphere mostly hydrogen and helium; many high pressure gas storms with the most notable being the Great Red Spot

•has at least 60 moons with four having their own atmosphere

• Jupiter

• Neptune

• Saturn

• Uranus

Sixth planet from Sun, second largest in solar system

•Gas planet made of hydrogen, helium, ammonia, methane and water vapor; outer rings made of ice and rock

31 moons, with largest moon, Titan, being larger than Mercury

• Jupiter

• Neptune

• Saturn

• Uranus

Seventh planet from Sun; large and gaseous

•methane in atmosphere gives planet it blue-green color

has tilted axis of rotation moving around Sun like a rolling ball

• Jupiter

• Neptune

• Saturn

• Uranus

Eighth planet from Sun

has surface of frozen nitrogen and geysers that erupt nitrogen gas

• Jupiter

• Neptune

• Saturn

• Uranus

Considered a Dwarf Planet

• Mercury

• Venus

• Pluto

• Mars

are those with orbits between the Sun and asteroid belt;

• Inner Planets

• Outer Planets

• Asteroid Planets

• Oort Cloud