PIX4584082: Collision de deux asteroides- Vue d'artiste - Asteroid collision - Artist view - A large asteroid is struck by a smaller one. Since both bodies are porous, most of the energy is absorbed as heat, rather than dispersed with ejecta, thus explaining the internal melting of asteroids, Dixon, Don (b.1951) / Bridgeman Images
PIX4584542: Black hole in the center of the galaxy - Artist view - Black hole in the galaxy's center - Artist view - Artist view from the black hole in the center of the galaxy. Clouds of gas and dust swirl into the black hole at the core of the Milky Way galaxy, Dixon, Don (b.1951) / Bridgeman Images
PIX4607548: Object of Thorne-Zytkow - Artist's view - Thorne-Zytkow object - Artwork: An object of Thorne-Zytkow is a star shaped like a red supergiant star whose heart is occupied by a neutron star. A Thorne- ytkow object is a conjectured type of star wherein a red giant or supergiant contains a neutron star at its core, formed from the collision of the giant with the neutron star. Such objects were hypothesized by Kip Thorne and Anna ytkow in 1977, Dixon, Don (b.1951) / Bridgeman Images
PIX4645712: Mission New Worlds: The New Worlds mission is a space mission proposal being studied by NASA. Its concept is based on the association of a space telescope with a large occulter (starshade) which places in space a long distance from it (several tens of thousands of kilometres) and designed to block the light of the central star in order to observe its exoplanets. Observations could be made with an existing space telescope, such as the James-Webb Space Telescope (JWST) once launched. A space telescope observes planets orbiting a distant star whose glare has been blocked by a flower-shaped screen the size of a football field. In reality, the starshade would be almost as far from the telescope as the moon is from earth., Dixon, Don (b.1951) / Bridgeman Images
PIX4634481: The first galaxies - The first galaxies - Artist's view of the appearance of giant stars at the intersection of hydrogen filaments, which will form the nuclei of the first galaxies. Giant stars form at the intersections of great filaments of primordial hydrogen, forming the nuclei of the first galaxies, Dixon, Don (b.1951) / Bridgeman Images
PIX4638236: Galactic atmosphere - Artist view - Galactic atmosphere - Artist view - Artist view - Artist view of the “atmosphere” of our galaxy or gas arches elevent from the galactic plane pushed by currents created by supernovae explosions. Even the galaxy has a kind of weather, in which fountains of tenous gas arch high above the galactic plain through vents blasted by supernova explosions, Dixon, Don (b.1951) / Bridgeman Images