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powerpoint
powerpoint

... cloud of gas and dust. The planets and Sun formed from the same reservoir of interstellar matter and are therefore composed of primarily the same elements. As the cloud collapsed under the force of gravity it began to spin rapidly and then flattened into a plane. This explains why the solar system i ...
The Solar System
The Solar System

... close to the sun causes temperatures to be very high during the day and very low at night. ...
The Outer Solar System
The Outer Solar System

... debris, so dwarf planets tend to orbit in zones that contain many other objects. Pluto is much smaller than the inner or outer planets. Its diameter is about half that of Mercury. The density of Pluto is similar to that of Triton, suggesting a mixture of ice and rock. ...
S - Uwsp
S - Uwsp

... • Metals and rocks: 1300 K to 1600 K • Water, methane, ammonia “ices”: 100 K to 300 K ...
Moons of Jovian Planets
Moons of Jovian Planets

... If a large moon gets too close to Saturn, the tidal force breaks it apart into small pieces. The radius where this happens is called the Roche Limit (approximatly 2.5 x planet radius). Satellite must be held togther solely by its own gravity + must have similar density to planet for this to be an ap ...
8140
8140

... life, and will describe future exploration priorities. Threats and Resources: In terms of threats, comets from the OSS have a low probability of impact to Earth. As for resources, by far most of the H2O in the Solar System resides at Jupiter or beyond. This water may not be exploited as a resource b ...
2/1/2012- Outer Planets Notes
2/1/2012- Outer Planets Notes

... • A comet, is composed of dust and rock particles mixed with frozen water, methane, and ammonia. • As a comet approaches the Sun, it begins to vaporize. The vaporized dust and gases form a bright cloud called a coma around the nucleus. The solar wind pushes on the vaporized coma, forming a tail that ...
The planets - Neptune - Primary Leap Worksheets.
The planets - Neptune - Primary Leap Worksheets.

... Neptune is the eighth planet from the Sun, it is also the furthest. The planet was discovered on September 23, 1846. It takes 165 years to orbit the Sun. Neptune can be not be seen with the naked eye. The planet is slightly bigger than its near twin Uranus. Neptune is surrounded by ring arcs and has ...
Saturn lecture
Saturn lecture

... Pressure and temperature conditions were such that methane, ammonia and water were stable in solid form As you move out from the sun, each planet has less hydrogen and helium and more ice ...
Neptune - Peterborough Astronomical Association
Neptune - Peterborough Astronomical Association

... when seen through a telescope. Uranus is more green-blue while Neptune is more skewed towards a more recognizable blue colour. Despite the fact that neither has been visited, other than a flyby of Voyager II many years ago, astronomers think that the two share even more in common. As the cutaway bel ...
The Galilean Moons of Jupiter
The Galilean Moons of Jupiter

... If a large moon gets too close to Saturn, the tidal force breaks it apart into small pieces. The radius where this happens is called the Roche Limit (approximatly 2.5 x planet radius). Satellite must be held togther solely by its own gravity + must have similar density to planet for this to be an ap ...
The Planets
The Planets

...  The terrestrial planets are planets that are small and rocky—Mercury, Venus, Earth, and Mars.  The Jovian planets are the huge gas giants—Jupiter, Saturn, Uranus, and Neptune.  Pluto does not fit into either the Jovian or the terrestrial category. ...
Part 2: Solar System Formation
Part 2: Solar System Formation

... constantly colliding with one another. If the collisions are not too violent material (planetesimals) may stick together. • In the outer parts of the Solar Nebula the planets become large enough to have a significant gravitational pull and collect gas around them. – Ice is ten times more abundant th ...
The Solar System and its Origin
The Solar System and its Origin

... •  Vesc = sqrt(2 GM / R) – Massive/compact objects have high surface ...
Document
Document

... • “Minor planets”, ranging in size from several hundred km to boulders (most less than 10 km) • 104 to 105 objects (with 106 to 107 km average separations) • Orbits are fairly circular, most between Mars and Jupiter; some orbits in resonance with Jupiter; some Earth-crossing ...
THE OUTER PLANETS
THE OUTER PLANETS

... planet spins quite quickly for its size Saturn’s atmosphere is mostly made up of hydrogen and helium with ammonia ice near the cloud tops ...
File - We All Love Science
File - We All Love Science

... • The Roche Limit – If a moon gets too close to a planet, gravity could rip it apart – The point where this occurs is 2.44 planetary radii, called the Roche Limit ...
the outer solar system
the outer solar system

... •  Uranus is the seventh planet from the sun at a distance of about 2.9 billion km (1.8 billion miles) or 19.19 AU. •  One day on Uranus takes about 17 hours (the time it takes for Uranus to rotate or spin once). Uranus makes a complete orbit around the sun (a year in Uranian time) in about 84 Earth ...
Solar System on a String
Solar System on a String

... 5. To hang the mobile, cut five one-inch slits into the end of a straw. Splay the ends and tape the splays to the top of the paper plate. Cut two small slits horizontally, on opposite sides, about a half inch from the free end of the straw and draw a string through the slits to make a hanging loop. ...
15.5 BLM
15.5 BLM

... “gas giants,” all contain hydrogen and helium. They all have many moons and are surrounded by a set of rings. Jupiter has an enormous storm, larger than Earth, called the Great Red Spot. Saturn has the most spectacular rings. Viewed from Earth, Uranus rotates from top to bottom, because its axis of ...
neptune!!!
neptune!!!

... Neptune is a planet It is the 8th farthest planet from the sun (including Pluto) It is 4,504,000,000 km away from the sun Or it is also 30.06 AU away from the sun ...
PLANET WARM UP
PLANET WARM UP

... 6. Then using small pieces, tape together Jupiter to Saturn. Saturn to Uranus. Uranus to Neptune. Neptune to Pluto. 7. Now you can tape your model anywhere in the room. Avoid the cement walls as the tape doesn’t like to hold there. 8. If you have time, see your teacher for instructions to make a dis ...
27.4 Directed Reading Guide
27.4 Directed Reading Guide

... largest planet in the solar system. 33. Why is Uranus a difficult planet to study? _______________________________________________________________ _______________________________________________________________ 34. Uranus has at least ______________________ moons and at least 11 small rings. 35. The ...
Solar System Mobile Activity - Lunar and Planetary Institute
Solar System Mobile Activity - Lunar and Planetary Institute

... Eight – 10-inch strings for the four inner rocky planets and the asteroid belt Five – 12-inch strings for the four outer giants and little Pluto Invite them to tape the string ends of each planetary body to the paper plate in the locations marked. The pom-pom Sun belongs in the center. Make sure Jup ...
Inventory of the Solar System
Inventory of the Solar System

... !Atmospheres: near vacuum to dense hot gas ...
< 1 ... 26 27 28 29 30 31 32 33 34 ... 43 >

Jumping-Jupiter scenario

The jumping-Jupiter scenario specifies an evolution of giant-planet migration described by the Nice model, in which an ice giant (Uranus, Neptune, or an additional Neptune-mass planet) encounters first Saturn and then Jupiter, causing the step-wise separation of their orbits. The jumping-Jupiter scenario was proposed by Ramon Brasser, Alessandro Morbidelli, Rodney Gomes, Kleomenis Tsiganis, and Harold Levison after their studies revealed that the smooth divergent migration of Jupiter and Saturn resulted in an inner Solar System significantly different from the current Solar System. The sweeping of secular resonances through the inner Solar System during the migration excited the eccentricities of the terrestrial planets beyond current values and left an asteroid belt with an excessive ratio of high- to low-inclination objects. The step-wise separation of Jupiter and Saturn described in the jumping-Jupiter scenario allows these resonances to quickly cross the inner Solar System without altering orbits excessively. The jumping-Jupiter scenario also results in a number of other differences with the original Nice model. The fraction of lunar impactors from asteroid belt during the Late Heavy Bombardment is significantly reduced, most of the Jupiter trojans are captured via an alternative mechanism, and Jupiter acquires its population of irregular satellites via the same process as the other planets. The frequent ejection of an ice giant during simulations of the jumping-Jupiter scenario has led some to propose an additional giant planet in the early Solar System.
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