Scott Arboretum Full size 2560 × 1920 pixels UPBEAT Philadelphia Smallbones, CC0, via Wikimedia Commons Swarthmore College Observatory in Scott Arboretum Previous image Next image Leave a ReplyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. Δ
