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The story of Pluto
Transcript of The story of Pluto
due to its unusually large moon Charon which is more than half the size of Pluto, Charon influences pluto so that Charon and Pluto revolve around each other every 6.387 days. The definition of planet has been unclear until 2005 when a group of scientists decided to clarify that a full-fledged planet is an object that orbits the sun and is large enough to have become round due to the force of its own gravity. In addition, a planet has to dominate the neighborhood around its orbit. Pluto has been reclassified as a dwarf planet because
it is not in complete control of its orbit. A planet tends to
"sweep" away smaller objects keeping its orbital path
clean, Pluto's orbit by comparison is a bit "untidy." History Named by an eleven year old girl named Venetia Burney. Pluto (the roman god of the dead) they may have picked the name because PL are the initials of Percival Lowell or because Pluto's distance from the sun makes it eternally cold and dark. (like pluto's realm hades) It was discovered in 1930 by Clyde Tombaugh Pluto is about 4.5 billion years old Atmosphere Composition: 90% Nitrogen and 10% other complex molocules such as methane mostly evaporated from surface ice. Pluto is about 4.5 billion years old Pluto Vacation Suit After all you've learned of pluto wouldn't a long vacation on this planetary island be even more informative.
Average tempuratures are -380 fahrenheit so dress warm. There is no liguid water on Pluto so a bathing suit is not recomended. Our planet is famous for its rock-ice composition, all the ice has made figure skating and hockey the leading sports. The native Plutonians are hospitable and welcoming. Pluto may be an icy planet but who doesn't love all the wintery games you can play on the ice. this information is compliments of the ice castle hotel My
Pouts New Horizons NASA'S spacecraft New Horizons will be the first ever to visit pluto. Released in 2006 it is now half way between earth and pluto. Pluto only has a substantial atmosphere when it is within Neptune's orbit. The atmospere is made mostly of methane nitrogen and poisonous carbon monoxide Pluto is rocky but its surface is mostly covered in ice. Mercury
PLUTO Mnemonic Device Atmospere Temperature: low -33k
high -55k Pluto has a different orbital path than all the other planets. Their planet’s paths are circular and flat. Pluto’s path is in the shape of an oval and is tilted in comparison to the others. pluto's orbit aslo puts it inside neptune's orbit twice a year. Objective Perihelion 4,436,820,000km
The point in the orbit of a planet, asteroid, or comet at which it is closest to the sun. Aphelion 7,375,930,000km
The point in the orbit of a planet, asteroid, or comet at which it is furthest from the sun. 1. Learn about the reasons for Pluto's irregular atmosphere.
2. Understand why Pluto is still such a mystery to us.
3. Learn about Pluto's unique history, and name.
4. Learn the definition for a planet and why Pluto was reclassified.
5. Understand why pluto's orbit is considered iregular. Note: anything in blue you want in your notes at least summarized. 1 day on Pluto is 6.4 Earth days Physical Traits Diameter : 2390km
Gravity: about 7 percent of earth's gravity 100lbs=7lbs It takes Pluto 247.9 Earth years to orbit the sun Pluto's core is miniscule and is made of iron-nickel alloy and rock. 1.Name three of Pluto’s five moons.
2.When does Pluto have the thickest atmosphere?
3.Name two gases found in Pluto’s ice.
4.What is one strange characteristic of Pluto’s obit?
5.Who named Pluto? Give one speculated reason for its name.
6.In your own words what is the definition of a planet.
7.Why is Pluto now classified as a dwarf planet?
8.What is the name of NASA’s space craft sent to Pluto?
9.Why can’t we get a clear picture of Pluto or any truly precise information?
10.Please write the planets in order.
Quiz 1. Charon, Nix, Hydra, P4, and P5
2. Pluto only has a substantial atmosphere when it is within Neptune's orbit.
3. nitrogen, methane and carbon monoxide
4. It has a tilted orbit. At some points in time it is closer to the sun than Neptune
5. Venetia Burney. They may have picked the name because PL are the initials of Percival Lowell or because Pluto's distance from the sun makes it eternally cold and dark
7. It has a moon that’s about the same size as it and it has an unusual orbit.
8. New Horizons
9. Because it’s too far away to observe
10. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto