In Walt whiteman poem when i heard the learn astronomer how does lecture make speaker feel?

The speaker in Walt Whitman's poem "When I Heard the Learn'd Astronomer" feels a sense of awe and wonder at the vastness of the universe described by the astronomer, but also a sense of insignificance and disconnect from the abstract concepts being presented. The poem presents a contrast between the scientific, rational view of the universe and the emotional, human response to it. The speaker is overwhelmed by the astronomer's knowledge and the vastness of the cosmos but at the same time feels a sort of detachment from it all, as if he is merely an observer rather than a participant. This sense of awe and alienation leads the speaker to ultimately leave the lecture and engage with the natural world, finding a sense of connection and meaning through direct experience rather than abstract knowledge.