Planetary systems similar to or like Solar System

Gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly. Wikipedia

  • Gliese 581 planetary system

    Gravitationally bound system comprising the star Gliese 581 and the objects that orbit it. Known to consist of at least four planets along with a debris disc discovered using the radial velocity method. Wikipedia


Sentences forSolar System

  • Carl Sagan wrote: "Many scientists deeply involved in the exploration of the solar system (myself among them) were first turned in that direction by science fiction."Science fiction-Wikipedia
  • Other astronomers suchs as Giovanni Domenico Cassini (1625–1712) and Giovanni Schiaparelli (1835–1910) made many important discoveries about the Solar System.Italy-Wikipedia
  • Although Earth is the only known planet with large stable bodies of liquid water on its surface and the only one in the Solar System, other celestial bodies are thought to have large oceans.Ocean-Wikipedia
  • The only confirmed large stable bodies of extraterrestrial surface liquids are the lakes of Titan, although there is evidence for the existence of oceans elsewhere in the Solar System.Ocean-Wikipedia
  • The inner Solar System has been made the goal of at least four uncrewed programs.NASA-Wikipedia
  • The oldest material found in the Solar System is dated to 4.5672 billion years ago (Bya).Earth-Wikipedia
  • More recently, the name is sometimes simply given as Earth, by analogy with the names of the other planets.Earth-Wikipedia
  • A study from 2016 suggested that Planet Nine tilted all the planets of the Solar System, including Earth, by about six degrees.Earth-Wikipedia
  • Earth is the densest planet in the Solar System and the largest and most massive of the four rocky planets.Earth-Wikipedia
  • Other astronomers such as Giovanni Domenico Cassini (1625–1712) and Giovanni Schiaparelli (1835–1910) made many important discoveries about the Solar System.Italians-Wikipedia
  • The abundance of 60 Ni present in extraterrestrial material may bring further insight into the origin and early history of the Solar System.Iron-Wikipedia
  • Meteorites from Antarctica are an important area of study of material formed early in the solar system; most are thought to come from asteroids, but some may have originated on larger planets.Antarctica-Wikipedia
  • It is the fifth-largest satellite in the Solar System, and the largest among planetary satellites relative to the size of the planet that it orbits (its primary).Moon-Wikipedia
  • The Solar System has been relatively well-studied, initially through telescopes and then later by spacecraft.Astronomy-Wikipedia
  • Gold is thought to have been produced in supernova nucleosynthesis, and from the collision of neutron stars, and to have been present in the dust from which the Solar System formed.Gold-Wikipedia
  • It is bracketed at the earliest by the dates of the first Solar System material at 4.567 Ga (or 4.567 billion years ago) and the formation of the Earth atGeology-Wikipedia
  • Aluminium's per-particle abundance in the Solar System is 3.15 ppm (parts per million).Aluminium-Wikipedia
  • Earth is unusual among the planets of the Solar System in having such a high concentration of oxygen gas in its atmosphere: Mars (with 0.1% by volume) and Venus have much less.Oxygen-Wikipedia
  • The astronomical unit is used primarily for measuring distances within the Solar System or around other stars.Astronomical unit-Wikipedia
  • The related word solar is the usual adjectival term used, in terms such as solar day, solar eclipse, and Solar System.Sun-Wikipedia
  • 107 Pd– 107 Ag correlations observed in bodies that have clearly been melted since the accretion of the solar system must reflect the presence of unstable nuclides in the early solar system.Silver-Wikipedia
  • The Sun is the star at the center of the Solar System.Sun-Wikipedia
  • The word "astrochemistry" may be applied to both the Solar System and the interstellar medium.Astronomy-Wikipedia
  • This process is known as cryovolcanism, and is apparently most common on the moons of the outer planets of the solar system.Volcano-Wikipedia
  • NASA science is focused on better understanding Earth through the Earth Observing System; advancing heliophysics through the efforts of the Science Mission Directorate's Heliophysics Research Program; exploring bodies throughout the Solar System with advanced robotic spacecraft missions such as New Horizons; and researching astrophysics topics, such as the Big Bang, through the Great Observatories and associated programs.NASA-Wikipedia
  • The Solar System orbits within the Milky Way, a barred spiral galaxy that is a prominent member of the Local Group of galaxies.Astronomy-Wikipedia
  • Asteroids are minor planets, especially of the inner Solar System.Asteroid-Wikipedia
  • Major developments in this period include the replacement of the geocentric model of the Solar System with the heliocentric Copernican model, the laws governing the motion of planetary bodies determined by Johannes Kepler between 1609 and 1619, pioneering work on telescopes and observational astronomy by Galileo Galilei in the 16th and 17th Centuries, and Isaac Newton's discovery and unification of the laws of motion and universal gravitation that would come to bear his name.Physics-Wikipedia
  • The Earth is located in the habitable zone of the solar system; if it were slightly closer to or farther from the Sun (about 5%, or about 8 million kilometers), the conditions which allow the three forms to be present simultaneously would be far less likely to exist.Water-Wikipedia
  • In the 3rd century BC, Aristarchus of Samos estimated the size and distance of the Moon and Sun, and he proposed a model of the Solar System where the Earth and planets rotated around the Sun, now called the heliocentric model.Astronomy-Wikipedia

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