This student is obviously in the process of learning English, but it is equally clear that the student has addressed all aspects of the assignment. He named each of the nine planets and mentioned at least one characteristic about three of the planets as well. This student should not be penalized for learning English at the same time. Based on this information, this essay should receive a score of 4.
Note: In content assignments, the focus of grading should be on the student's meaning and content learning, not on his/her language abilities.