It's the outfit and the staying back from the group that have drawn the eye of the professor. She strides over with a hand on her hip and a stern look in her eye.

"Mr. Jaeger, I did not spend hours positioning telescopes for them to sit idle while you chat up a fellow student, keeping them from their observations. This is not a social occasion. If you are not here to work, then I'll have to ask you to leave. Am I making myself clear?"