Compare Earth and Mercury
-They are both small.
-They are both very rocky.
-Earth and Mercury have solid surfaces.
-They are both very dense.
-They contain very little hydrogen and helium.
-They are both very rocky.
-Earth and Mercury have solid surfaces.
-They are both very dense.
-They contain very little hydrogen and helium.
Contrast Earth and Mercury
-Mercury has no atmosphere while Earth does.
-Mercury is much hotter than Earth.
-Mercury has no moons while Earth has one
.-http://answers.yahoo.com/question/index?qid=20080401153611AAXemvn
-Mercury is much hotter than Earth.
-Mercury has no moons while Earth has one
.-http://answers.yahoo.com/question/index?qid=20080401153611AAXemvn