Answer: I undestand that the poem speaks about her feelings towards death.
Explanation: The writer Silvia Plath wrote the poem "Edge" some time before she decided to end with her life. The poem is about a woman who finds perfection after death. Knowing that Plath died in such a way helps us understand that she thought that after death she would find peace and perfection.
I would assume during the early stages of humans, we knew we lived in the Solar system, but we decide to use only since we thought we were the only people in the cosmos<span />