source: Mercury is similar in appearance to the Moon: it is heavily cratered with regions of smooth plains, has no natural satellites and no substantial atmosphere.
target: Mercury looks like our Moon. It has cratered areas and smooth ones. It has no real atmosphere. It has no natural satellites.
references: Mercury looks like our Moon. It has cratered areas and smooth ones. It has no real atmosphere. It has no natural satellites. Mercury looks like the Moon: it's covered with craters and smooth plains, has no satellites, and no atmosphere. Mercury looks like the moon because it has lots of craters with smooth plains, no thing going around it in a circle and no atmosphere. Mercury looks like the Moon. It has many craters with areas of smooth plains. It also has no natural satellites and not much atmosphere. Mercury has almost the same landscape as the Moon.  It has no atmosphere, no satellites and has smooth and cratered regions. Both Mercury and the Moon are heavily cratered with areas of plains, and have no natural satellites or atmosphere. Mercury looks similar to the Moon.  It is full of craters with areas of smooth plains.  It has no natural satelites and no substantial atmosphere. Mercury like the moon is cratered with regions of smooth plains, has no natural satellites and no atmosphere. Mercury looks like the Moon. It has lots of craters and smooth plains. It has no natural satellites, and it does not have much of an atmosphere. Murcury and the Moon have similar surface features. They also lack an atmosphere and any orbiting bodies.