<p>An electronic window (20) employs a rear projection screen, a rear projection engine (21), and a solar simulator (22). Rear projection engine (21) is positioned at a first location relative to the rear projection screen wherein rear projection engine (21) is operated to project an image onto the rear projection screen. Solar simulator (22) is positioned at a second location relative to the rear projection screen wherein solar simulator (22) is operated to simulate a sunbeam shining through the rear projection screen.</p>
