Has no atmosphere?
Is orbited by two moons?
Has retrograde rotation?
Is 150,000,000 km away from the sun?
Has a year shorter then a day?
Is covered in Iron oxide?
List one attribute of the moon.
1/4 the diameter of earth, very large compared to earth for a moon, heavily cratered, gravity is 1/6 that of earth, no atmosphere
List a second attribute of the moon.
same as #7
List an attribute of all the inner planets.
rocky, higher surface temp. or density, smaller than outer planets, thinner atmosphere than outer planets
Which is the outer planet that is closest to the sun?