When I Heard the Learn'd Astronomer
Academic Lecture Performance
Notice how Whitman emphasizes the formal, performative nature of scientific presentation through words like 'learn'd' and 'applause'.
Scientific Abstraction vs. Direct Experience
The 'proofs' and 'figures' represent intellectual understanding, contrasted with direct sensory experience of nature.
Bodily Rejection of Intellectualism
Physical response ('tired and sick') signals a visceral rejection of pure scientific rationalism.