a vivid mental image, especially a fanciful one of the future.
A Clear Vision
Everyone who lived before witnessing the Apollo 11 mission on July 20th, 1969, could only dream of touching the Moon. In 1865, Jules Verne, a French novelist, had that dream in the form of a novel that he titled “From the Earth to the Moon.” He told a story of a group of gun enthusiasts and their attempts to build an enormous space gun to launch three people to the Moon.
It took 104 more years for humanity to find a way to realize that dream. When it happened, it was one of humanity’s proudest achievements; a glorious moment that required an immense amount of planning and work. ...