In plain English, at 4 a. m., a ray of light had been observed on the disc of the planet Mars in or near the "e;terminator"e;; that is to say, the zone of twilight separating day from night. The news was doubly interesting to me, because a singular dream of "e;Sunrise in the Moon"e; had quickened my imagination as to the wonders of the universe beyond our little globe, and because of a never-to-be...