URANUS• Uranus is the 7th planet from the Sun, and the  3rd largest planet in the Solar System.• Uranus is one of the 4 ga...
Facts about URANUS:•   History of Uranus•   Characteristics of Uranus•   Position and Movement of Uranus•   Uranus’s Moon ...
History of Uranus
Who discovered?                       • He became famous for                         his discovery of the                 ...
Uranus
How did Uranus get its name?                  • It is named                    after the                    ancient       ...
How did Uranus get its name?• Herschel wanted to call it “Georgium Sidus”.• Some named it George IIIs Neptune and  Great-B...
Symbol of Uranus         H in symbol taken         from discoverers last                                Mars         name,...
Facts about URANUS:•   History of Uranus•   Characteristics of Uranus•   Position and Movement of Uranus•   Uranus’s Moon ...
Size of Uranus      • The diameter of        Uranus is 51,118 km        across.      • Its total volume is        6.833×10...
Composition of UranusThree Layers : a rocky core at the center, an icy mantlesurrounding that, and an outer gas envelope o...
Atmosphere of Uranus             • The atmosphere               of Uranus is               composted mainly               ...
Axis Tilt of Uranus          • The axis of            Uranus is            tilted at an            angle of 98-           ...
Gravity on Uranus• The gravity on Uranus Uranus is 0.89 or 89% of  Earth‘s.
Temperature of Uranus            • The average              temperature of              the cloud tops on              Ura...
Weather on UranusA thick, tempestuous atmosphere with windsblowing at a clip of 900 km/h.
Facts about URANUS:•   History of Uranus•   Characteristics of Uranus•   Position and Movement of Uranus•   Uranus’s Moon ...
Position and Movement of Uranus
How Long is day on Uranus?              • A day on                Uranus is 17                hours, 14                min...
How Long is a year on Uranus?                • Uranus takes                  84.3 years to                  complete its  ...
Distance from Earth• The closest Uranus can get to Earth is 2.57 billion km.
Distance from the Sun• Uranus’ distance from the Sun is 2.88 billion  km.
Orbit of Uranus            • Uranus doesn’t              have a              perfectly              circular orbit.       ...
Facts about URANUS:•   History of Uranus•   Characteristics of Uranus•   Position and Movement of Uranus•   Uranus’s Moons...
Uranus’ Moons & Rings
Uranus’ Moons           • Uranus has 27             known moons.           • The moons are             all made of ice    ...
Uranus’ Moons                                                         Orbital                 Discovery             Distan...
Uranus’ Moons                                               Distance from                      Discovery                  ...
Uranus’ Moons                                                Distance from                       Discovery                ...
Uranus’ Moons                                                     Distance from                        Discovery          ...
Uranus’ Moons                                               Distance from                  Discovery                      ...
Rings of Uranus           • The rings were             discovered from the             Earth in 1977           • Some data...
Facts about URANUS:•   History of Uranus•   Characteristics of Uranus•   Position and Movement of Uranus•   Uranus’s Moons...
Exploration to Uranus
Voyager 2        • Voyager 2 made          its closest          approach to          Uranus on          January 24,       ...
Voyager 2• The presence of a magnetic field at Uranus was  not known until Voyagers arrival. The intensity  of the field i...
Voyager 2• Voyager 2 found that one of the most striking  influences of the sideways position of the  planet is its effect...
Voyager 2• Voyager 2, the only spacecraft to visit Uranus,  imaged a bland-looking sphere in 1986. When  Voyager flew by, ...
References• http://www.universetoday.com/18855/uranus/• http://burro.astr.cwru.edu/stu/uranus_moons.html• http://solarsyst...
Uranus
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Transcript of "Uranus"

  1. 1. URANUS• Uranus is the 7th planet from the Sun, and the 3rd largest planet in the Solar System.• Uranus is one of the 4 gas giants in the Solar System, as well as one of the Jovian planets.• It is the “Twin Planet of Neptune.”
  2. 2. Facts about URANUS:• History of Uranus• Characteristics of Uranus• Position and Movement of Uranus• Uranus’s Moon and Rings• Exploration on Uranus
  3. 3. History of Uranus
  4. 4. Who discovered? • He became famous for his discovery of the planet Uranus, along with two of its major moons (Titania and Oberon). • He first recorded the discovery of a faint object that might be a nebulous star or maybe a comet.Sir William Herschel
  5. 5. Uranus
  6. 6. How did Uranus get its name? • It is named after the ancient Greek god of the sky, Uranus.
  7. 7. How did Uranus get its name?• Herschel wanted to call it “Georgium Sidus”.• Some named it George IIIs Neptune and Great-Britains Neptune.• Some suggested Hypercronius and Transaturnis.• The name Minerva was also proposed.• Finally, the editor of Berliner Astronomical Laboratory opted for Uranus.
  8. 8. Symbol of Uranus H in symbol taken from discoverers last Mars name, Herschel. SunMatter Soul Derived from a combination of the Mars and Sun symbols Spirit
  9. 9. Facts about URANUS:• History of Uranus• Characteristics of Uranus• Position and Movement of Uranus• Uranus’s Moon and Rings• Exploration on Uranus
  10. 10. Size of Uranus • The diameter of Uranus is 51,118 km across. • Its total volume is 6.833×1013 km³. • The mass of Uranus is 8.68×1025 kg. • And its surface area is 8.1×109 km².
  11. 11. Composition of UranusThree Layers : a rocky core at the center, an icy mantlesurrounding that, and an outer gas envelope ofhydrogen and helium.
  12. 12. Atmosphere of Uranus • The atmosphere of Uranus is composted mainly of molecular hydrogen and helium. • The third most abundant molecule after hydrogen and helium is methane (CH4).
  13. 13. Axis Tilt of Uranus • The axis of Uranus is tilted at an angle of 98- degrees.
  14. 14. Gravity on Uranus• The gravity on Uranus Uranus is 0.89 or 89% of Earth‘s.
  15. 15. Temperature of Uranus • The average temperature of the cloud tops on Uranus is -153ᵒC up to -218 ᵒC . • Temperature inside it may reach 4,727 ᵒ C.
  16. 16. Weather on UranusA thick, tempestuous atmosphere with windsblowing at a clip of 900 km/h.
  17. 17. Facts about URANUS:• History of Uranus• Characteristics of Uranus• Position and Movement of Uranus• Uranus’s Moon and Rings• Exploration on Uranus
  18. 18. Position and Movement of Uranus
  19. 19. How Long is day on Uranus? • A day on Uranus is 17 hours, 14 minutes and 24 seconds.
  20. 20. How Long is a year on Uranus? • Uranus takes 84.3 years to complete its orbit around the Sun.
  21. 21. Distance from Earth• The closest Uranus can get to Earth is 2.57 billion km.
  22. 22. Distance from the Sun• Uranus’ distance from the Sun is 2.88 billion km.
  23. 23. Orbit of Uranus • Uranus doesn’t have a perfectly circular orbit. Instead, it follows an elliptical path around the Sun.
  24. 24. Facts about URANUS:• History of Uranus• Characteristics of Uranus• Position and Movement of Uranus• Uranus’s Moons and Rings• Exploration on Uranus
  25. 25. Uranus’ Moons & Rings
  26. 26. Uranus’ Moons • Uranus has 27 known moons. • The moons are all made of ice and rock. • Most of the moons appear to be captured asteroids due to their size and orbits.
  27. 27. Uranus’ Moons Orbital Discovery Distance from Mass Name Discoverer Period Radius (km) Date Uranus (103 km) (1020 kg) (days) 240 x 234.2 xMiranda (UV) 1948 G. Kuiper 129.39 1.413479 0.66 232.9 581.1 x 577.9 Ariel (UI) 1851 W. Lassel 191.02 2.520379 13.5 x 577.7Umbriel (UII) 1851 W. Lassel 266.30 4.144177 11.7 584.7Titania (UIII) 1787 W. Herschel 435.91 8.705872 35.2 788.9Oberon (UIV) 1787 W. Herschel 583.52 13.463239 30.1 761.4
  28. 28. Uranus’ Moons Distance from Discovery Orbital Period Name Discoverer Uranus Mass (1020 kg) Date (days) (103 km) Cordelia (UVI, 1986 Voyager 2 49.77 0.335034 20 S/1986 U7) Ophelia (UVII, 1986 Voyager 2 53.79 0.376400 21 S/1986 U8) Bianca (UVIII, 1986 Voyager 2 59.17 0.434579 27 S/1986 U9) Cressida (UIX, 1986 Voyager 2 61.78 0.463570 40 S/1986 U3)Desdemona (UX, 1986 Voyager 2 62.68 0.473650 32 S/1986 U6)Juliet (UXI, S/1986 1986 Voyager 2 64.35 0.493065 47 U2)
  29. 29. Uranus’ Moons Distance from Discovery Orbital Period Name Discoverer Uranus Mass (1020 kg) Date (days) (103 km)Portia (UXII, S/1986 1986 Voyager 2 66.09 0.513196 68 U1) Rosalind (UXIII, 1986 Voyager 2 69.94 0.558460 36 S/1986 U4)Cupid (S/2003 U2) 2003 74.8 0.618 12 Belinda (UXIV, 1986 Voyager 2 75.26 0.623527 40 S/1986 U5)Puck (UXV, S/1985 1985 Voyager 2 86.01 0.761833 81 U1) Mab (S/2003 U1) 2003 97.7 0.923 16
  30. 30. Uranus’ Moons Distance from Discovery Orbital Period Name Discoverer Uranus Mass (1020 kg) Date (days) (103 km) Kavelaars,Caliban (UXVI, S/1997 1997 Gladman, 7230 579.5* 48 U1) Holman, et. Al Kavelaars, Stephano (UXX, 1999 Gladman, 8002 676.5* 10 S/1999 U2) Holman, et. Al Kavelaars, Sycorax (UXVII, 1997 Gladman, 12,179 1283.4* 95 S/1997 U2) Holman, et. Al Margaret (UXXIII, 2003 14,345 1694.8 6 S/2003 U3) Kavelaars, Prospero (UXVIII, 1999 Gladman, 16,418 1992.8* 15 S/1999 U3) Holman, et. Al
  31. 31. Uranus’ Moons Distance from Discovery Orbital Period Name Discoverer Uranus Mass (1020 kg) Date (days) (103 km) Kavelaars,Setebos (UXIX, 1999 Gladman, 17,459 2202.3* 15 S/2001) Holman, et. AlTrinculo (UXXI, 2001 8571 758.1* 5 S/2001 U1) S/1986 U10 1986 76.4 0.638 40 S/2001 U2 2001 21,000 2823.4* 6 S/2001 U3 2001 4280 266.6* 6
  32. 32. Rings of Uranus • The rings were discovered from the Earth in 1977 • Some data suggested that Uranus was surrounded by at least 5 rings. • Four more rings were suggested. • 2 additional ones were found by Voyager 2.
  33. 33. Facts about URANUS:• History of Uranus• Characteristics of Uranus• Position and Movement of Uranus• Uranus’s Moons and Rings• Exploration on Uranus
  34. 34. Exploration to Uranus
  35. 35. Voyager 2 • Voyager 2 made its closest approach to Uranus on January 24, 1986, coming within 81,500 kilometers (50,600 mi) of the planets cloud tops.
  36. 36. Voyager 2• The presence of a magnetic field at Uranus was not known until Voyagers arrival. The intensity of the field is roughly comparable to that of Earths, though it varies much more from point to point because of its large offset from the center of Uranus. The peculiar orientation of the magnetic field suggests that the field is generated at an intermediate depth in the interior where the pressure is high enough for water to become electrically conductive.
  37. 37. Voyager 2• Voyager 2 found that one of the most striking influences of the sideways position of the planet is its effect on the tail of the magnetic field, which is itself tilted 60 degrees from the planets axis of rotation. The magnetotail was shown to be twisted by the planets rotation into a long corkscrew shape behind the planet.
  38. 38. Voyager 2• Voyager 2, the only spacecraft to visit Uranus, imaged a bland-looking sphere in 1986. When Voyager flew by, the south pole of Uranus pointed almost directly at the sun because Uranus was near its southern summer solstice, with the southern hemisphere bathed in continuous sunlight and the northern hemisphere radiating heat into the blackness of space.
  39. 39. References• http://www.universetoday.com/18855/uranus/• http://burro.astr.cwru.edu/stu/uranus_moons.html• http://solarsystem.nasa.gov/planets/profile.cfm?Obj ect=Uranus&Display=OverviewLong
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