The planet Pluto was discovered in 1930 and very little information is known about it since that time. First of all, it is worth highlighting the small overall dimensions, because of which Pluto is considered a "tiny planet". Eris is considered the smallest planet, and it is Pluto that comes after it. This planet has practically not been explored by mankind, but many little things are known. Next, we suggest reading more interesting and unique facts about the planet Pluto.
1. The first name is Planet X. The name Pluto was invented by a schoolgirl from Oxford (England).
2. Pluto is farthest from the Sun. The approximate distance is from 4730 to 7375 million kilometers.
3. One revolution around the Sun in orbit, the planet takes 248 years.
4. Pluto's atmosphere is a mixture of nitrogen, methane and carbon monoxide.
5. Pluto is the only dwarf planet that has an atmosphere.
6. Pluto has the most elongated orbit, which is located in different planes with the orbits of other planets.
7. Pluto's atmosphere is low and unsuitable for human breathing.
8. For one revolution around itself, Pluto needs 6 days, 9 hours and 17 minutes.
9. On Pluto, the sun rises in the West and sets in the East.
10. Pluto is the smallest planet. Its mass is 1.31 x 1022 kg (less than 0.24% of the Earth's mass).
11. Earth and Pluto rotate in different directions.
12. Charon - a satellite of Pluto - does not differ much in size from the planet, therefore they are sometimes called a double planet.
13. In five hours, light from the Sun reaches Pluto.
14. Pluto is the coldest planet. The average temperature is 229 ° C.
15. It's always dark on Pluto, so you can look at the stars from it around the clock.
16. Around Pluto there are several satellites - Charon, Hydra, Nyx, P1.
17. Not a single flying object launched by man reached Pluto.
18. For almost 80 years Pluto was a planet, and since 2006 it was transferred to dwarf.
19. Pluto is not the smallest dwarf planet, it is in second place among its kind.
20. The official name of this dwarf planet is asteroid number 134340.
21. On Pluto, sunrise and sunset do not occur every day, but approximately once a week.
22. Pluto is named after the god of the underworld.
23. This planet is the tenth largest celestial body orbiting the Sun.
24. Pluto is composed of rocks and ice.
25. The chemical element plutonium is named after a dwarf planet.
26.Since its discovery until 2178, Pluto will circle the Sun for the first time
27 Pluto will reach aphelion in 2113
28. The dwarf planet does not have its own pure orbit, like all the others.
29. It is assumed that Pluto has a system of orbital rings.
30. In 2005, a spacecraft was launched that will reach Pluto in 2015 and photograph it, thereby answering many questions from astronomers.
31. Pluto is often associated with both rebirth and death (the beginning and end of everything).
32. On Pluto the weight becomes less, if on Earth the weight is 45 kg, then on Pluto it will be only 2.75 kg.
33. Pluto can never be seen from Earth with the naked eye.
34. From the surface of Pluto, the Sun will appear as just a small dot.
35. The generally recognized symbol of Pluto is two letters - P and L, which are intertwined.
36. The search for a planet beyond Neptune was initiated by Percival Lowell, an American astronomer.
37. The mass of Pluto is so small that it has no effect on the orbits of Neptune and Uranus, although astronomers expected the opposite.
38. Pluto is discovered thanks to simple mathematical calculations, and K. Tombaugh's keen eyesight.
39. This planet can be seen only with a 200-mm telescope, and you will have to observe it for several nights. it moves very slowly.
40. In 1930 K. Tombaugh discovered Pluto.
Planet Pluto versus Australia
41. Pluto is possibly one of the largest celestial bodies in the Kuiper belt.
42. The existence of Pluto was predicted back in 1906-1916 by an American astronomer.
43. Pluto's orbit can be predicted several million years in advance.
44. The mechanical movement of this planet is chaotic.
45. Scientists have put forward a hypothesis that the simplest life can exist on Pluto.
46. Since 2000, Pluto's atmosphere has expanded significantly as sublimation of surface ice occurred.
47. The atmosphere on Pluto was discovered only in 1985 when observing its coverage of stars.
48. Pluto, as well as on Earth, has north and south poles.
49. Astronomers characterize Pluto's satellite system as very compact and empty.
50. Soon after the discovery of Pluto, a lot of fantastic literature was written, where it figures as the outskirts of the solar system.
51. The hypothesis put forward in 1936 that Pluto was a satellite of Neptune has not yet been proven.
52. Pluto is 6 times lighter than the Moon.
53. If Pluto approaches the Sun, it will turn into a comet, because mainly composed of ice.
54. Some scientists believe that if Pluto was closer to the Sun, it would not have been transferred to the category of dwarf planets.
55. Many are trying to get Pluto to be considered the ninth planet, because it has an atmosphere, it has its own satellites and polar caps.
56. Scientists-astrologers believe that earlier the surface of Pluto was covered by the ocean.
57. Pluto and Charon are believed to have the same atmosphere for two.
58. Pluto and its largest moon Charon move in the same orbit.
59. When moving away from the Sun, Pluto's atmosphere freezes, and when approaching, it again forms gas and begins to evaporate.
60. Charon may have geysers.
61. The main color of Pluto is brown.
62. On the basis of photos from 2002-2003, a new map of Pluto was built. This was done by scientists from the Lowell Observatory.
63. At the time of reaching Pluto by an artificial satellite, the planet will celebrate 85 years since its discovery.
64. It used to be thought that Pluto is the last planet in the solar system, but 2003 UB 313 was recently discovered, which may become the tenth planet.
65. Pluto, having an eccentric orbit, can intersect with the orbit of Neptune.
66. Dwarf planets since 2008 are called plutoids in honor of Pluto.
67. The moons Hydra and Nikta are 5000 times weaker than Pluto.
68. Pluto is located 40 times farther from the Sun than the Earth.
69. Pluto has the largest eccentricity among the planets of the solar system: e = 0.244.
70.4.8 km / s - the average speed of the planet in its orbit.
71. Pluto is inferior in size to such satellites as the Moon, Europa, Ganymede, Callisto, Titan and Triton.
72. Pressure on Pluto's surface is 7000 times less than on Earth.
73. Charon and Pluto are always facing each other by the same side, like the Moon and the Earth.
74. A day on Pluto lasts approximately 153.5 hours.
75. 2014 marks 108 years since the birth of the discoverer of Pluto K. Tombaugh.
76. In 1916, Percival Lowell, the man who predicted the discovery of Pluto, died.
77. The state of Illinois adopted a decree according to which Pluto is still considered a planet.
78. Scientists assume that in 7.6-7.8 billion years on Pluto conditions will be created for the existence of full-fledged life on it.
79. The new word "plutonize" means lowering the status, ie. exactly what happened to Pluto.
80. Pluto was the only planet discovered by an American before being deprived of its status.
81. Pluto does not have enough mass to take a spherical shape under the influence of gravitational forces.
82. This planet is not a gravitational dominant in its orbit.
83. Pluto does not orbit around the Sun.
84. The Disney character Pluto, who appeared on screens in the 30s, is named after the planet discovered at the same time.
85. Initially, they wanted to call Pluto "Zeus" or "Percival".
86. The planet was officially named on March 24, 1930.
87. Pluto has an astrological symbol, which is a trident with a circle in the middle.
88. In Asian countries (China, Vietnam, etc.) the name Pluto is translated as “the star of the underground king”.
89. In Indian language, Pluto is called Yama (guardian of hell in Buddhism).
90.55 pounds - the award received by the girl for the proposed name for the planet.
91. For the discovery of the planet, a blink comparator was used, which made it possible to quickly switch pictures, thereby creating the movement of celestial bodies.
92. K. Tombaugh received the Herschel medal for the discovery of the planet.
93. Pluto was searched for in two observatories - Lowell and Mount Wilson.
94. Charon will be classified as a satellite of Pluto until the IAU gives a formal definition for binary planets.
95. Pluto is considered a satellite of the Sun.
96. Atmospheric pressure - 0.30 Pa.
97. On April 1, 1976, a joke was made on BBC radio about Pluto's gravitational interaction with other planets, as a result of which the inhabitants had to jump.
98. Pluto's diameter is 2390 km.
99. 2000 kg / m³ - the average density of the planet.
100. Charon's diameter is about half that of Pluto, a unique phenomenon in the solar system.
