It is smaller than earth and that is 4 sure aslo it is the fourth closest planet to the sun ohh and by the way who ever wrote hello peeps is really dumb and one more thing I hope my info helped especially little kids that are doing projects on it thanx -hailey and stephanie we hope it helped
Mars is the fourth closest to the Sun. The third smallest. It's diameter is 4,213 miles; that is pretty small compared to a lot of other planets, like Jupiter.