The James Webb Space Telescope has captured the sharpest images yet of the Horsehead Nebula — a vast cloud of equine-looking gas rearing over the constellation Orion.
Made from a collapsing cloud of gas and dust, the nebula gets its distinctive appearance from its slow dissipation as its outer edges gradually erode. In roughly 5 million years time, the gas will have disintegrated entirely, leaving behind the hot star that illuminates it from the top left edge. —Milky Way's monster black hole may be shooting superheated jets into our galaxy, groundbreaking images reveal