Dwarf planets estheranamiriam_1eso
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Dwarf planets estheranamiriam_1eso Dwarf planets estheranamiriam_1eso Presentation Transcript

  • PROJECT DESIGNED BY ESTHER RODRIGUEZ ANA HIDALGO MIRIAM MONTORO
  •  A dwarf planet, as defined by the International Astronomical Union (IAU) is a celestial body in direct orbit of the Sun that is massive enough that its shape is controlled by gravitational forces.
  •  Pluto: Is the second-most-massive known dwarf planet in the Solar System (after Eris) and the tenth-most-massive body observed directly orbiting the Sun.
  •  Sedna: Its surface is one of the reddest in the Solar System. Neither its mass or its size are well known and the IAU has not formally recognized it as a dwarf planet, thought it is thought to be one by several astronomers.
  •  Eris: Is the most massive known dwarf planet in the Solar System and the ninth most massive body known to orbit the Sun directly. It is estimated to be 2326 km in diameter, and 27% more massive than Pluto, or about 0.27% of the Earth's mass.
  •  Orcus: Orcus is a trans-Neptunian object in the Kuiper belt with a large moon. It was discovered on February 17, 2004 by Michael Brown. It is considered to be a dwarf planet by some astronomers, though the IAU has not formally recognized it as one.
  •  Ceres: Is the only dwarf planet in the inner Solar System, and the largest asteroid. It is a rock–ice body some 950 km in diameter, and though the smallest identified dwarf planet. Discovered on 1 January 1801 ,it was the first asteroid be identified.
  •  Haumea: Is a dwarf planet located beyond Neptune's orbit. Just one-third the mass of Pluto, it was discovered in 2004, at the Sierra Nevada Observatory in Spain. On September 17, 2008, it was designated a dwarf planet by the International Astronomical Union (IAU).
  •  Its extremely low average temperature, about (−243.2 °C), means its surface is covered with methane, ethane, and possibly nitrogen ices. Was discovered on March 31, 2005, by a team led by Michael Brown. Makemake was formally classified as a plutoid in July 2008.