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Space Exploration Neptune

By: Devin Pittman and Kendall Reid. Space Exploration Neptune. Features. Number of Moons: 13 known moons Rotation Period: about Axis:17.24 hours Revolution Period: about the Sun:165 years Minimum Distance from Sun: 4.46 billion km (2.77 billion miles)

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Space Exploration Neptune

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  1. By: Devin Pittman and Kendall Reid Space ExplorationNeptune

  2. Features • Number of Moons:13known moons • Rotation Period: about Axis:17.24 hours • Revolution Period:about the Sun:165 years • Minimum Distance from Sun: 4.46 billion km (2.77 billion miles) • Maximum Distance from Sun:4.54 billion km (2.82 billion miles) • Planet From Sun: 9thPlanet • Probes Sent to Neptune: Voyager 2

  3. Physical Properties • Tilt of Axis:29 Degrees 36" • Surface Gravity:11 m/s^2 (1.12 x Earth's) • Temperature at Cloud Tops:-210o C ( -346o F) • Average Cloud Top Temperature (K): 63K • Name in Roman/Greek Mythology: Neptune/Poseidon • Satellites/Rings:8 known moons, faint rings • Type of Planet: Gas Planet with an ice rock core.

  4. History • Neptune was first observed by Galle and d'Arrest on 1846 Sept 23 very near to the locations independently predicted by Adams and Le Verrier from calculations based on the observed positions of Jupiter, Saturn and Uranus. An international dispute arose between the English and French (though not, apparently between Adams and Le Verrier personally) over priority and the right to name the new planet; they are now jointly credited with Neptune's discovery. Subsequent observations have shown that the orbits calculated by Adams and Le Verrier diverge from Neptune's actual orbit fairly quickly. Had the search for the planet taken place a few years earlier or later it would not have been found anywhere near the predicted location. • More than two centuries earlier, in 1613, Galileo observed Neptune when it happened to be very near Jupiter, but he thought it was just a star. On two successive nights he actually noticed that it moved slightly with respect to another nearby star. But on the subsequent nights it was out of his field of view. Had he seen it on the previous few nights Neptune's motion would have been obvious to him. But, alas, cloudy skies prevented observations on those few critical days.

  5. Quiz • What Probe went to Neptune? • Voyager 2 • How many moons does Neptune have? • 13 Moons • What type of Planet is Neptune? • Gas Planet • What Number Planet is Neptune? • 8th Planet

  6. Space Exploration Uranus By: Connor Nations & Parker Gravitt

  7. Physical Features • Shape: Sphere • Color: Blue Gray • Size: 8.683x 10²⁵kg:25,362 • Atmosphere: Hydrogen, Helium, Methane • Temperature:-216°C • Life: Can’t sustain life • Revolution: 84years • Rotation:17 hours & 14 minutes • Number of Moons: 27 Moons

  8. Extra Features • Distance from Sun: 2,80,990,000 kilometers • Number of Planet: 8th Planet • Probes sent to Planet: Voyager 2 • Type of Planet: Gas Planet

  9. History • The third of the gas giants. Uranus was discovered in 1781 by Caroline Herschel and her brother William. William thought it was a comet at first and his calculations showed it getting bigger and bigger as he thought it approached the Earth. When observations and calculations from other astronomers in different countries came in, it was realised by them all that the Herschels had discovered a planet, and William hastily revised his data.Some wanted to call the planet Herschel, but the Herschels called it GeorgiusSidus (George's Star in Latin) after King George III who funded them. Bode suggested Uranus after the Greek God of the Heavens who had been castrated by his son Chronos the God of Time (see Saturn). Eventually this was to be accepted internationally as the planet's name.

  10. This Presentation was presented by Devin Pittman, Connor Nations, and Kendall Reid

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