Planet Eris (Xena) Articles

• Pluto
  Solar System
  Kuiper Belt
  Astronomy
  NASA
  Space Exploration
   
  

  Ceres (dwarf planet)

  Ceres, also designated 1 Ceres or (1) Ceres, is the smallest dwarf planet in the Solar System and the only one located in the main asteroid belt. With a diameter of about 950 km, Ceres is by far the ... > more
• Asteroids, Comets and Meteors
  Solar System
  Astronomy
  Pluto
  Satellites
  Solar Flare
   

  Near-Earth asteroid

  Near-Earth asteroids (NEAs) are asteroids whose orbits are close to Earth's orbit. Some NEAs' orbits intersect Earth's so they pose a collision danger. On the other hand, NEAs are most easily ... > more
• Asteroids, Comets and Meteors
  Solar System
  NASA
  Astronomy
  Pluto
  Moon
   
  

  Near-Earth object

  Near-Earth objects (NEO) are asteroids, comets and large meteoroids whose orbit intersects Earth's orbit and which may therefore pose a collision danger. Due to their size and proximity, NEOs are ... > more
• Pluto
  Kuiper Belt
  Solar System
  Neptune
  Jupiter
  Astronomy
   
  

  Pluto

  Pluto, designated (134340) Pluto, in the Minor Planet Center catalogue, is the second-largest known dwarf planet in the solar system. It orbits between 29 and 49 AU from the Sun, and was the first ... > more
• Solar System
  Uranus
  Moon
  Pluto
  Jupiter
  Astronomy
   
  

  Uranus' natural satellites

  Uranus has 27 known moons. The first two moons (Titania and Oberon) were discovered by William Herschel on March 13, 1787. Two more moons (Ariel and Umbriel) were discovered by William Lassell in ... > more
• Stars
  Jupiter
  Sun
  Extrasolar Planets
  Astronomy
  Solar Flare
   
  

  Red supergiant

  Red supergiants are supergiant stars of spectral type K-M and a luminosity class of I. They are the largest stars in the universe in terms of physical size, although they are not the most massive. ... > more
• Mars
  Solar System
  NASA
  Space Missions
  Space Exploration
  Astronomy
   
  

  Deimos (moon)

  Deimos is probably an asteroid that was perturbed by Jupiter into an orbit that allowed it to be captured by Mars, though this hypothesis is still in some dispute. Like most bodies of its size, ... > more
• Solar System
  Astronomy
  Pluto
  Asteroids, Comets and Meteors
  Sun
  Kuiper Belt
   
  

  Solar System

  The Solar System consists of the Sun and the other celestial objects gravitationally bound to it: the eight planets, their 165 known moons, three dwarf planets (Ceres, Pluto, and Eris and their four ... > more
• Asteroids, Comets and Meteors
  Solar System
  Astronomy
  Pluto
  Kuiper Belt
  Extrasolar Planets
   
  

  Asteroid

  Asteroids, also called minor planets or planetoids, are a class of astronomical object. The term asteroid is generally used to indicate a diverse group of small celestial bodies that drift in the ... > more
• Uranus
  Solar System
  Astronomy
  Pluto
  Jupiter
  Moon
   
  

  Uranus

  Uranus is the seventh planet from the Sun. It is a gas giant, the third largest by diameter and fourth largest by mass. NASA's Voyager 2 is the only spacecraft to have visited the planet and no other ... > more

Search ScienceDaily