The Horsehead Nebula, as seen with infrared light, shows clouds surrounding it have already dissipated. The Horsehead formation has about 5 million years left before it, too, disintegrates.
An image of the large spiral galaxy NGC 1232, located about 100 million light-years away in the constellation Eridanus (The River). The central areas contain older stars of reddish color, while the spiral arms are populated by young, blue stars and many star-forming regions.
Some physicists are pushing back against ideas like string theory and the multiverse. Here, we see a computer-generated image of a black hole, which might, ultimately, be explained by ideas like string theory.