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The Outer Planets of our Solar System: Jupiter, Saturn, Uranus, Neptune, Pluto

Learn fascinating facts about the outer planets of our solar system including Jupiter, Saturn, Uranus, Neptune, and Pluto. Discover their distances from the sun, rotation periods, revolution periods, diameters, densities, temperatures, gravities, and unique characteristics.

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The Outer Planets of our Solar System: Jupiter, Saturn, Uranus, Neptune, Pluto

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  1. The Outer Planets of our Solar System

  2. Jupiter • Distance from Sun: 43.3 light-minutes • Period of rotation: 9 hours and 54 minutes • Period of revolution: 11 years and 313 days • Diameter: 142,984 km • Density: 1.33 g/cm • Temperature: -110°C • Gravity: 236% of Earth's

  3. Jupiter facts • Jupiter is the biggest of the gas planets • Jupiter is the largest planet in our solar system • Jupiter’s giant red spot is a storm system that that is 400 years old and is about 3 times the size of the Earth

  4. Saturn • Distance from Sun: 1.3 light-hours • Period of rotation: 10 hours and 42 minutes • Period of revolution: 29 years and 155 days • Diameter: 120,536km • Density: 0.69 g/cm • Temperature: -140°C • Gravity: 92% of Earth's

  5. Saturn facts • Saturn is the second largest • Saturn is 95 times more massive than Earth • Saturn has the biggest rings of the gas giants with a total diameter of 272,000km

  6. Uranus • Distance from Sun: 2.7 light-hours • Period of rotation: 17 hours and 12 minutes(retrograde rotation) • Period of revolution: 83 years and 273 days • Diameter: 51,118km • Density: 1.27 g/cm • Temperature: -195°C • Gravity: 89% of Earth's

  7. Uranus • Uranus was discovered in 1781 by English amateur astronomer William Herschel • Uranus is tilted 90° on is axis, and it almost lies in its plane of orbit

  8. Neptune • Distance from Sun: 4.2 light-hours • Period of rotation: 16 hours and 6 minutes • Period of revolution: 163 years and 263 days • Diameter: 49,528km • Density: 1.64 g/cm • Temperature: -200°C • Gravity: 112% of Earth's

  9. Neptune • Is the smallest of all of the gas giant planets • Astrometry believe that the gravity of Neptune pulled Uranus off of it’s predicted path • Neptune has a set of very narrow rings around it

  10. Pluto • Distance for sun: 5.4 light-hours • Period of rotation: 6 days 10 hours • Period of revolution: 248 years and 4 days • Diameter: 2,390 km • Density: 1.75 g/cm • Surface temperature • Surface gravity: 6% of Earth’s

  11. Pluto facts • Pluto was discovered in 1930 • Pluto is the smallest planet in our Solar System • Pluto was original called the mystery planet • Pluto’s moon Charon is about half the size of Pluto

  12. Terrestrial and Jovian Planets Why?

  13. Observational Differences between Planets & Stars • The planets move relative to stars on celestial sphere • The nearer and larger planets appear as disks in telescope • The brighter planets do not "twinkle“ • The planets are always near the imaginary yearly path of the Sun on the celestial sphere (the ecliptic) • The relative positions of the stars are fixed on celestial sphere • The stars appear as "points" of light, even through the telescope • The stars appear to "twinkle" • Stars can be anywhere on the celestial sphere PLANETS STARS

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