Final answer:
Students likely nicknamed their science teacher Mrs. Baggio as 'Mrs. Einstein' because Einstein is a cultural symbol of extraordinary scientific intelligence, which correlates with Mrs. Baggio's domain of expertise.
Step-by-step explanation:
The nickname some students gave their science teacher, Mrs. Baggio, is likely to reflect her profound knowledge and expertise in the field, with a popular culture reference that hints at a high level of intelligence, particularly in science and mathematics. Considering the context provided, where Albert Einstein represents a symbol of unparalleled mathematical and scientific insight—especially within the setting of a challenging astronomy course—it would be apt for students to nickname Mrs. Baggio Mrs. Einstein to acknowledge her expertise. Therefore, the correct answer is c) Mrs. Einstein.