Real image (such as the images on the right), real rays of light are always represented by full, solid lines; perceived or extrapolated rays of light are represented by dashed lines. A real image occurs where rays converge, whereas a virtual image occurs where rays only "appear" to converge. Real images can be produced by concave mirrors and converging lenses, only if the object is placed further away from the mirror/lens than the focal point and this real image is inverted. As the object approaches the focal point the image approaches infinity, and when the object passes the focal point the image
What If (comics) series ran from February 1977 to October 1984. The first "What If" story was "What If Spider-Man had Joined the 'Fantastic Four'?". It presented an alternate version of events seen in "The Amazing Spider-Man" #1 (1963). "What If" #24, which is titled "What If Gwen Stacy Had Lived?" and focuses on the consequences of Spider-Man's secret identity being publicly exposed, is one of the most highly regarded "What If" stories. Following the cancellation of the series, Marvel published a one-shot "What If? Special" (June 1988) with the story "What If Iron Man Had Been a Traitor?" From July 1989 to