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  2. SpaceEngine - Wikipedia

    en.wikipedia.org/wiki/SpaceEngine

    Objects that are procedurally generated in Space Engine are aimed to be as realistic as possible. The objects include galaxies, star clusters (open and globular), nebulae and individual stars, containing terrestrial planets and gas giants and moons.

  3. Intergalactic star - Wikipedia

    en.wikipedia.org/wiki/Intergalactic_star

    Intergalactic star. The Virgo cluster of galaxies, where the phenomenon known as intergalactic stars was discovered. An intergalactic star, also known as an intracluster star or a rogue star, is a star not gravitationally bound to any galaxy. Although a source of much discussion in the scientific community during the late 1990s, intergalactic ...

  4. Boötes Void - Wikipedia

    en.wikipedia.org/wiki/Boötes_void

    A map of the Boötes Void. The Boötes Void (/ b oʊ ˈ oʊ t iː z / boh-OH-teez) (colloquially referred to as the Great Nothing) [1] is an approximately spherical region of space found in the vicinity of the constellation Boötes, containing only 60 galaxies instead of the 2,000 that should be expected from an area this large, hence its name.

  5. Dark galaxy - Wikipedia

    en.wikipedia.org/wiki/Dark_galaxy

    Dark galaxy. A dark galaxy is a hypothesized galaxy with no (or very few) stars. They received their name because they have no visible stars but may be detectable if they contain significant amounts of gas. Astronomers have long theorized the existence of dark galaxies, but there are no confirmed examples to date. [1]

  6. Universe Sandbox - Wikipedia

    en.wikipedia.org/wiki/Universe_Sandbox

    Universe Sandbox is a series of interactive space sandbox gravity simulator educational software video games.Using Universe Sandbox, users can see the effects of gravity on objects in the universe and run scale simulations of the Solar System, various galaxies or other simulations, while at the same time interacting and maintaining control over gravity, time, and other objects in the universe ...

  7. Galaxy cluster - Wikipedia

    en.wikipedia.org/wiki/Galaxy_cluster

    A galaxy cluster, or a cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of galaxies that are bound together by gravity, [ 1 ] with typical masses ranging from 10 14 to 10 15 solar masses. They are the second-largest known gravitationally bound structures in the universe after some superclusters (of which ...

  8. Dyson Sphere Program - Wikipedia

    en.wikipedia.org/wiki/Dyson_Sphere_Program

    Dyson Sphere Program takes place in a futuristic science fiction world, where a society exists primarily in a virtual computer space, which demands a great deal of power and computational ability. To expand that, they have sent one of their members, the player, into the real universe to construct a Dyson sphere from resources in a nearby star ...

  9. Galaxy formation and evolution - Wikipedia

    en.wikipedia.org/wiki/Galaxy_formation_and_evolution

    Spiral galaxies are quite thin, dense, and rotate relatively fast, while the stars in elliptical galaxies have randomly oriented orbits. The majority of giant galaxies contain a supermassive black hole in their centers, ranging in mass from millions to billions of times the mass of the Sun. The black hole mass is tied to the host galaxy bulge ...