After long studies at his local library, Hall decided to attempt controlled experiments of his own with his mother's approval. He built an 8-inch telescope, which produced a close-up view of Saturn. Later on, an interviewer from the California Institute of Technology visited him and offered a scholarship to attend the university.
After extensive research at his local library, Hall decided to conduct his own experiments with his mother's approval. He built an 8-inch telescope that allowed him to view Saturn closely. Later, an interviewer from the California Institute of Technology visited him and offered a scholarship to attend the university.