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See also: Galaxy group, Galaxy cluster, List of galaxy groups and clusters The Laniakea Supercluster ( / ˌ l ɑː n i . ə ˈ k eɪ . ə / ; Hawaiian for "open skies" or "immense heaven") [2] or the Local Supercluster ( LSC or LS ) is the galaxy supercluster that is home to the Milky Way and approximately 100,000 other nearby galaxies.
Gliese 667 Cc is a super-Earth, an exoplanet with a mass and radius greater than that of Earth, but smaller than that of the giant planets Uranus and Neptune. It is heavier than Earth with a minimum mass of about 3.7 Earth masses. [2] The equilibrium temperature of Gliese 667 Cc is estimated to be 277.4 K (4.3 °C; 39.6 °F). [1]
As a quasar, TON 618 is believed to be the active galactic nucleus at the center of a galaxy, the engine of which is a supermassive black hole feeding on intensely hot gas and matter in an accretion disc. Given its observed redshift of 2.219, the light travel time of TON 618 is estimated to be approximately 10.8 billion years.
Zeta Reticuli, Latinized from ζ Reticuli, is a wide binary star system in the southern constellation of Reticulum. From the southern hemisphere the pair can be seen with the naked eye as a double star in very dark skies. Based upon parallax measurements, this system is located at a distance of about 39.3 light-years (12 parsecs) from Earth.
N. -body simulation. In physics and astronomy, an N-body simulation is a simulation of a dynamical system of particles, usually under the influence of physical forces, such as gravity (see n -body problem for other applications). N -body simulations are widely used tools in astrophysics, from investigating the dynamics of few-body systems like ...
ʻOumuamua – an interstellar object that passed through the Solar System in 2017; Rogue black hole – a gravitationally unbound black hole; Rogue extragalactic planets – rogue planets outside the Milky Way galaxy; Tidally detached exomoon – rogue planets that were originally moons; In fiction. Remina (2004–2005) – horror manga by ...
Caroline's Rose ( NGC 7789) is an open cluster in Cassiopeia, named after Caroline Herschel. Gould Belt is a ring of stars in the Orion Arm of the Milky Way, named after Benjamin Apthorp Gould. Grindlay 1 is a globular star cluster in Scorpius, named after Jonathan E. Grindlay. Kemble's Cascade and Kemble's Kite are two asterisms in ...
The stars with the most confirmed planets are the Sun (the Solar System's star) and Kepler-90, with 8 confirmed planets each, followed by TRAPPIST-1 with 7 planets. The 995 multiplanetary systems are listed below according to the star's distance from Earth. Proxima Centauri, the closest star to the Solar System, has three planets ( b, c and d ).