article_snippet.sent: Shaped like a target ring bull's-eye, Mare Orientale is one of the most striking large scale lunar features.
article_snippet.sent: Found on the moon's extreme western edge, Mare Orientale is difficult to see from an earthbound perspective .
article_snippet.sent: Shaped like a target ring bull's-eye, Mare Orientale is one of the most striking large scale lunar features.
article_snippet.sent: Found on the moon's extreme western edge, Mare Orientale is difficult to see from an earthbound perspective.