E and G rings not shown Saturn Rings Backlit Exaggerated Color Earth E G F A BD
C Rings, Ringlets, Details Rings in gaps between rings A, B and F rings Ring Details
C Ring (Left) and B Ring (Right) Details Ring Details (D, C, B, A, F) Enceladus and Saturns E Ring Enceladus is spraying ice into space
These chunks go into orbit around Saturn These form the E ring
Enceladus Ripples in the Rings Each radius orbits at a different speed As small moons pass ring particles, their orbits are distorted Their orbits wobble slightly Net effect: they move away from the small moon
Moons clear gaps around themselves Moon: Daphnis Shepherd Moons Pandora
Pairs of moons can keep a ring between them Very narrow rings usually have a pair of shepherd moons
Saturns F-ring is kept in place by Prometheus and Pandora Q. 54: Narrow Rings Prometheus Jupiters Rings Faint and dark Mostly microscopic dust Some portions are dust from known moons
Remainder probably dust from undiscovered moons Uranuss Rings 13 known rings
Very dark material Shepherd moons for bright ring Small amounts of dust between rings
Composition varies by ring, but typically Ice with dark covering? Typical size object around 1 m Source: Probably collisionally shattered moon(s)
Shepherd Moons for Uranuss Ring Shepherd Moons ring Neptunes Rings
5 known rings Very dark material Mostly tiny dust Probably shattered moons? The Dregs of the Solar System Dwarf Planets
August 24, 2006: IAU defines a planet 1.Goes around a star 2.Is big enough to be round 3.Is much bigger than all other things in its neighborhood combined A dwarf planet satisfies 1 and 2, but not 3 A small solar system body satisfies only 1
Ultima Thule flyby (January 19) Recent Missions to Kuiper Belt / Comets Rosetta New Horizons The Kuiper Belt Icy bodies, some rock/dust Mostly beyond Neptune
Too sparse to coalesce More than 1000 known Probably about 100,000 larger than 100 km Size: All are smaller than our Moon Six or so known with diameter > 1000 km Kuiper Belt: Location Pluto and its Moons
1 medium moon Charon 4 known small moons Styx Kerberos Nix Hydra
Pluto & Charon: Size, Orbit, Rotation Pluto half the size of Mercury Charon half the size of Pluto Close together Tidally locked to each other Actual separation Pluto
Mostly nitrogen Pluto Surprises Pluto has mountains on its surface Almost certainly made of water ice Pluto has almost no craters on it! Young surface Difficult to explain Ultima Thule
After passing Pluto system, New Horizons was redirected to examine a small Kuiper belt object near its path An obscure KBO called Ultima Thule was chosen as the target 33 km in length On Jan. 1, 2019, New Horizons made its closest approach and took images
These pictures are still being returned Eris Eris has one known small moon
Orbit more eccentric than Pluto Orbit more inclined than Pluto Eris Eris
Dysnomia Largest Kuiper Belt Objects Eris and Pluto would be considered large moons Composition similar to many outer moons
Q. 55: Mass of Kuiper Belt Objects Moon Kuiper Belt Objects
Planetismals Formed in outer solar system Never coalesced - too few Giant Planets toss them around Tossed out - join the Oort Cloud Tossed in - become short period comets
Kuiper Belt and Short Period Comets Neptune distorts orbit Object becomes a comet Neptune
Kuiper Belt The Oort Cloud Icy bodies, some rocks/dust Billions of objects Hundreds or thousands of AU from the Sun Passing stars can change their orbits Swing in to become long period comets
The examiner considers information such as substrate, development method, various levels of ridge detail, and pressure distortions. A separate analysis then occurs with the exemplar print. Comparison is the side-by-side observation of the friction ridge detail in the two prints...
¿Por qué estudiar Colosenses? ¿Alguna ves te has sorprendido al descubrir . algo nuevo acerca de un amigo que . creías . que . conocías bien? Esa . es una de las cosas interesantes acerca de una relación con Cristo:...
THE LATER MIDDLE AGES: 1300-1450 Learning Objective: Students will understand the evolution of European society from antiquity through the Later Middle Ages and analyze the ways in which religious, economic, and social upheaval affected late-Medieval society. Major Periods in European...
Stock Market Crashes. Because stocks were being bought with credit, prices were inflated, many investors looked to make quick money and sell (Stock Speculation) Stocks began to slide in Sept of 1929, by Oct investors began to lose confidence they...
Databases: LEIE, MED, EPLS, SSN Master Death File. Department of Health and Human Services (HHS) February 11, 2013News Release. ... Use data to support future course corrections. Questions? THANK YOU! All of my fellow cohort members and their families -...
John Paul Jones. The Continental Navy owed most of its success to John Paul Jones. Jones, once considered to be an outlaw, was born in Scotland and began working on ships at a young age. He came to America after...
Sachet volume continue to grow high double digit, led by visible distribution & strong on-air support. PBT increased by 34%. Continued investment behind brands: 13% vs LY to fund innovation & drive Horlicks campaign. Revenue increased by 9% (Volume Growth...
Teradata Platform Introduction Hardware and Software Components in Enterprise Data Warehouse Derek Jones March 2005 ... A Row Hash is the 32-bit result of applying a hashing algorithm to an index value. The DSW (Destination Selection Word) or Hash Bucket...
Ready to download the document? Go ahead and hit continue!