At the end of Walt Whitman's poem "when I heard the learn'd astronomer" where does the speaker go

Otuside of the lecture room to walk beneath the night's firmament.

Explanation:

In this beautiful poem, Whitman speaks of being in a lecture room listening to a learned man talk of numbers, figures, and proofs, all of which soon make him grow tired of his speech and though the learned man is highly appreciated by people and earns their applause, Whitman chooses instead to wander alone into the night and, from time to time, stare up into the sky in perfect and silent amazement.

Another person asked this question and several people answered "outside"