Jupiter, and the Brobdingnagians on a globe like Mars, and not vice versa as might be hastily supposed. But no Brobdingnagian's arms would be mighty enough to wave the flag on Mars which we should be able to see here. No building that we could raise, even were it a hundred times more massive than the Great Pyramid, would be discernible by the Martian astronomer, even had he the keenest eyes and the most potent telescopes of which our experience has given us any conception.