Pluto

Pluto ( minor planet designation : 134340 Pluto ) is a dwarf planet in the Kuiper belt , a ring of bodies beyond Neptune . It was the first Kuiper belt object to be discovered.

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2018

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1. History

2. Orbit

3. Rotation

4. Geology

5. Mass and size

6. Atmosphere

7. Satellites

8. Origin

9. Observation and exploration

10. See also

11. Notes

12. References

13. Further reading

14. External links

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Pluto ( minor planet designation : 134340 Pluto ) is a dwarf planet in the Kuiper belt , a ring of bodies beyond Neptune . It was the first Kuiper belt object to be discovered.

2017

474590 characters

27 sections

66 paragraphs

54 images

615 internal links

274 external links

1. History

2. Orbit

3. Rotation

4. Geology

5. Mass and size

6. Atmosphere

7. Satellites

8. Origin

9. Observation and exploration

10. See also

11. Notes

12. References

13. Further reading

14. External links

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Pluto ( minor-planet designation : 134340 Pluto ) is a dwarf planet in the Kuiper belt , a ring of bodies beyond Neptune . It was the first Kuiper belt object to be discovered.

2016

498102 characters

28 sections

69 paragraphs

62 images

617 internal links

266 external links

1. History

2. Orbit

3. Rotation

4. Geology

5. Mass and size

6. Atmosphere

7. Satellites

8. Origin

9. Observation and exploration

10. Gallery

11. See also

12. Notes

13. References

14. Further reading

15. External links

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Pluto ( minor-planet designation : 134340 Pluto ) is a dwarf planet in the Kuiper belt , a ring of bodies beyond Neptune . [11] It was the first Kuiper belt object to be discovered.

2015

466792 characters

28 sections

68 paragraphs

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1. History

2. Orbit

3. Rotation

4. Geology

5. Mass and size

6. Atmosphere

7. Satellites

8. Origin

9. Observation and exploration

10. Gallery

11. See also

12. Notes

13. References

14. Further reading

15. External links

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Pluto ( minor-planet designation : 134340 Pluto ) is a dwarf planet in the Kuiper belt , a ring of bodies beyond Neptune . It was the first Kuiper belt object to be discovered. It is the largest and second-most-massive known dwarf planet in the Solar System and the ninth-largest and tenth-most-massive known object directly orbiting the Sun . It is the largest known trans-Neptunian object by volume but is less massive than Eris , a dwarf planet in the scattered disc . Like other Kuiper belt objects, Pluto is primarily made of ice and rock [13] and is relatively small—about one-sixth the mass of Earth's Moon and one-third its volume. It has a moderately eccentric and inclined orbit during which it ranges from 30 to 49  astronomical units or AU (4.4–7.4 billion km) from the Sun. This means that Pluto periodically comes closer to the Sun than Neptune , but a stable orbital resonance with Neptune prevents them from colliding. Light from the Sun takes about 5.5 hours to reach Pluto at its average distance (39.5 AU).

2014

453035 characters

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47 images

614 internal links

237 external links

1. Discovery

2. Orbit and rotation

3. Physical characteristics

4. Satellites

5. Origins

6. Exploration

7. Classification

8. See also

9. Notes

10. References

11. Bibliography

12. External links

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Pluto ( 134340 Pluto ) is the largest object in the Kuiper belt , [i] [j] ; the tenth-most-massive known body directly orbiting the Sun ; and the second-most-massive known dwarf planet , after Eris . Like other Kuiper belt objects, Pluto is primarily made of rock and ice, [15] and relatively small, about 1/6 the mass of the Moon and 1/3 its volume. It has an eccentric and highly inclined orbit that takes it from 30 to 49  AU (4.4–7.4 billion km) from the Sun. Hence Pluto periodically comes closer to the Sun than Neptune , but an orbital resonance with Neptune prevents the bodies from colliding. In 2014 it was 32.6 AU from the Sun.

2013

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1. Discovery

2. Orbit and rotation

3. Physical characteristics

4. Satellites

5. Origins

6. Exploration

7. Classification

8. See also

9. Notes

10. References

11. Bibliography

12. External links

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Pluto , minor-planet designation 134340 Pluto , is the largest object in the Kuiper belt , and the tenth-most-massive body observed directly orbiting the Sun . It is the second-most-massive known dwarf planet , after Eris . Like other Kuiper-belt objects, Pluto is composed primarily of rock and ice [14] and is relatively small, approximately one-sixth the mass of the Moon and one-third its volume. It has an eccentric and highly inclined orbit that takes it from 30 to 49  AU (4.4–7.4 billion km) from the Sun. This causes Pluto to periodically come closer to the Sun than Neptune . As of 2013 , it is 32.6 AU from the Sun.

2012

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30 sections

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48 images

595 internal links

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1. Discovery

2. Orbit and rotation

3. Physical characteristics

4. Satellites

5. Origins

6. Exploration

7. Classification

8. See also

9. Notes

10. References

11. Bibliography

12. External links

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Pluto , formal designation 134340 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 . [h] Originally classified as the ninth planet from the Sun, Pluto was recategorized as a dwarf planet and plutoid owing to the discovery that it is only one of several large bodies within the Kuiper belt . [i]

2011

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1. Discovery

2. Orbit and rotation

3. Physical characteristics

4. Satellites

5. Origins

6. Exploration

7. Classification

8. See also

9. Notes

10. References

11. Bibliography

12. External links

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Pluto , formal designation 134340 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 . Originally classified as the ninth planet from the Sun, Pluto was recategorized as a dwarf planet and plutoid due to the discovery that it is one of several large bodies within the newly charted Kuiper belt . [i]

2010

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25 sections

79 paragraphs

46 images

579 internal links

184 external links

1. Discovery

2. Orbit and rotation

3. Physical characteristics

4. Satellites

5. Origins

6. Exploration

7. Classification

8. See also

9. Notes

10. References

11. External links

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Pluto , formal designation 134340 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 . Originally classified as a planet, Pluto is now considered the largest member of a distinct population known as the Kuiper belt . [note 9]

2009

378448 characters

27 sections

73 paragraphs

47 images

566 internal links

161 external links

1. Discovery

2. Orbit and rotation

3. Physical characteristics

4. Satellites

5. Origins

6. Exploration

7. Classification

8. See also

9. Notes

10. References

11. External links

12. Further reading

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Pluto , formal designation 134340 Pluto , is the second-largest known dwarf planet in the Solar System (after Eris ) and the tenth-largest body observed directly orbiting the Sun . Classified as a planet from its 1930 discovery, in 2006 the International Astronomical Union (IAU) declared it a dwarf planet instead; Pluto is now considered the largest member of a distinct population called the Kuiper belt . [note 8]

2008

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23 sections

73 paragraphs

47 images

550 internal links

136 external links

1. Discovery

2. Physical characteristics

3. Orbit

4. Moons

5. Kuiper belt

6. Exploration of Pluto

7. Planetary status controversy

8. See also

9. References

10. External links

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Pluto (pronounced About this sound /ˈpluːtoʊ/   , from Latin : Plūto , [ Πλούτων] error: {{lang-xx}}: text has italic markup ( help ) ), formal designation (134340) Pluto , is the second-largest known dwarf planet in the Solar System (after Eris ) and the tenth-largest body observed directly orbiting the Sun . Originally classified as a planet , Pluto is now considered the largest member of a distinct population called the Kuiper belt . [7]

2007

279286 characters

24 sections

72 paragraphs

36 images

455 internal links

117 external links

1. Discovery

2. Physical characteristics

3. Orbit

4. Moons

5. Kuiper belt

6. Exploration of Pluto

7. Planetary status controversy

8. See also

9. References

10. External links

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Pluto ( Template:PronEng , from Latin : Plūto , [ Πλούτων ] error: {{lang-xx}}: text has italic markup ( help ) ), also designated 134340 Pluto , is the second-largest known dwarf planet in the Solar System (after Eris ) and the tenth-largest body observed directly orbiting the Sun . Originally classified as a planet , Pluto is now recognized as the largest member [6] of a distinct region called the Kuiper belt . Like other members of the belt, it is composed primarily of rock and ice and is relatively small; approximately a fifth the mass of the Earth 's Moon and a third its volume. It has an eccentric orbit that takes it from 30 to 49 AU (4.4–7.4 billion km) from the Sun, and is highly inclined with respect to the planets. As a result, Pluto occasionally comes closer to the Sun than the planet Neptune does.

2006

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31 images

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1. Discovery

2. Physical characteristics

3. Moons

4. Exploration of Pluto

5. Planetary status controversy

6. See also

7. References

8. Further reading

9. External links

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Pluto ( IPA : /ˈpluːtəʊ/ ), 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 Kuiper Belt Object to be discovered. Approximately one-fifth the mass of the Earth 's Moon , Pluto is primarily composed of rock and ice. It has an eccentric orbit that is highly inclined with respect to the planets and takes it closer to the Sun than Neptune during a portion of its orbit. Pluto and its largest satellite, Charon , could be considered a binary system because they are closer in size than any of the other known celestial pair combinations in the solar system, and because the barycentre of their orbits does not lie within either body. However, the International Astronomical Union (IAU) has yet to formalize a definition for binary dwarf planets, so Charon is regarded as a moon of Pluto. Two smaller moons, Nix and Hydra , were discovered in 2005. Pluto is smaller than several of the natural satellites or moons in our solar system (see the list of solar system objects by radius ).

2005

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1. Discovery and naming

2. Orbit

3. Physical characteristics

4. Pluto's moons

5. Exploration of Pluto

6. The Pluto debate

7. Pluto in popular culture

8. See also

9. References

10. External links

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Template:Planet Infobox/Pluto Pluto is the ninth planet in the solar system . Discovered in 1930 and immediately classified as a planet , its status is currently under dispute. Pluto has an eccentric orbit that is highly inclined in respect to the other planets and takes it inside the orbit of Neptune . Its largest moon is Charon , discovered in 1978; two smaller moons were discovered in 2005. Pluto's astronomical symbol is a P-L monogram , ♇. This represents both the first two letters of the name Pluto and the initials of Percival Lowell , the man who lent his name to the observatory that was used to find Pluto. An alternate symbol resembles that of Neptune, but has a circle in place of the middle spoke in the top center.

2004

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1. Discovery and naming

2. Physical characteristics

3. Pluto's moon

4. Exploration of Pluto

5. The Pluto debate

6. Pluto in Fiction and Film

7. External links

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Pluto is the ninth planet from the Sun in our solar system . Because Pluto is also the smallest planet in our solar system and has a highly eccentric orbit (which takes it inside the orbit of Neptune ) there has been some debate regarding whether Pluto should be classified as a planet (see below for details). Its symbol is a combination of the name's first two letters, "P-L", which are also Percival Lowell's initials ( Unicode : ♇).

2003

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1. Physical characteristics

2. The Pluto debate

3. Exploration of Pluto

4. Atmosphere

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Pluto is the ninth and smallest planet of our solar system (although there is some debate regarding whether Pluto should be classified as a planet - see below for details). It was discovered by the astronomer Clyde Tombaugh at the Lowell Observatory in Arizona on February 18 , 1930 (although the body was first photographed on March 19 , 1915 ). Tombaugh was searching for a "Planet X" to explain the orbit of Neptune ; further analysis, with seven decades more data about Neptune's position, has resolved the perceived anomaly without need for an additional gravitational pull on Neptune.

2002

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1. The Pluto debate

2. Exploration of Pluto

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This photo of Pluto, taken with the Hubble Space Telescope , is currently our best view of this distant object.

2001

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Pluto is the ninth and smallest planet of our solar system . It was discovered by the astronomer Clyde Tombaugh at the Lowell Observatory in Arizona in 1930 . Its highly eccentric orbit makes it the eighth-most distant planet from the Sun for part of each orbit . Pluto orbits in a 3/2 resonance with Neptune . Because of its small size and eccentric orbit, there has been some debate over whether it truly should be classified as a planet. There is mounting evidence that Pluto may in fact be a member of the Kuiper Belt , only one of a large number of distant icy bodies. A subclass of such objects have been dubbed plutinos , after Pluto.