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Advection-Diffusion Approx. Johnson, Goodman, & Menou (2006) Type I migration = advection. Turbulent random walk = diffusion. Treat using Fokker-Planck model ...
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Accretion and early history of planetesimals and planets: the noble ... cosmogenic. nucleogenic. radiogenic. fissiogenic. in-situ. primordial. exotic. normal ...
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Planet Formation in Protoplanetary Disks: Origin of Planetesimals A. G. Tevzadze Abastumani Astrophysical Observatory, Georgia Tbilisi State University, Georgia
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Solar System History Ch 9 Big Bang Theory Solar Nebula Planetesimals Terrestrial Planets Big Bang Hypothesis 13-14 billion years ago, all matter and energy was ...
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Accretion of Planets Bill Hartmann Star & Planet Formation Minicourse, U of T Astronomy Dept. Lecture 5 - Ed Thommes Overview Start with planetesimals: km-size bodies ...
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The Colliding Planetesimals Theory: The interaction of earth-orbiting and Sun ... The Ejected Ring Theory: A planetesimal the size of Mars struck the earth, ...
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planetesimals if parked so close early... Interiors of Hot Jupiters. DS (2003) w updates ... use the He settling for Saturn (Fortney & Hubbard 2003) ...
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The formation of stars and planets. Day 4, Topic 3: Agglomeration of particles ... Planetesimals agglomerate via gravitational interactions and form rocky planet ...
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The mare basalts solidified between 3.1 and 3.8 billion years ago ... The mare basins were created later by the impact of planetesimals and filled ...
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Jupiter is to blame. Asteroids are fragmented planetesimals. Comets ' ... Comet Impacts on Earth. 94: comet hit Jupiter. Dinosaur extinction: comet or asteroid ...
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Planetesimals outside the snow line became eccentric ... Density of solids: divide mass of region by total N, or fix planetesimal mass at 0.01M ...
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The planetesimal of outer solar system structure ... Almost homogeneous large planetesimals, inside which the original structure ...
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comets. Larger planetesimals attract smaller ones (gravity) ... comets collide with terrestrial planets. Deposit volatiles ... of comets (volatile ...
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Planetesimal: small body from which a planet originated in the development of the solar system. Some planetesimals fused together to form protoplanets. ...
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Planetesimal heating. 26Al as tool for radiometric dating: ... 26Al as planetesimal heat source: ... stronger heated planetesimals have earlier formed chondrule ...
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Jupiter/Saturn internal structure (JUNO,Cassini) Extra-solar planet atmospheric compositions ... ( close-in means less easy to scatter planetesimals) How do we ...
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Capture: Mutual Collisions. Model: Sun, Jupiter, Saturn. 5000 planetesimals ... 1. Collisions only, 2x104 years, Jupiter & Saturn: fixed mass of 10 M ...
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planetesimals. industrial importance. building, mining, oil shale. physics ... ( 1982) while studying planetesimal collisions (rock impacts) V. t dev = 0.7 dev = 0.2 ...
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... idea proposed that the planets formed from debris torn off the ... How did terrestrial planets form? ... Larger planetesimals and planets were able to form. ...
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... solid particles became cemented into planetesimals (1 km or so in ... as the moon) form when a planetesimal is attracted by the gravitational pull of ...
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TERPS Conference. Dec. 9, 2004. Background. Formation of Jupiter and Saturn in our Solar System. Gradual accumulation of planetesimals into cores followed by ...
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Wet Planetesimals. Supported by M. Drake and K. Righter. Water found ... The Wet Planetesimal Theory. Wet material at about 1 AU accretes together to form Earth ...
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... from an accretion of stoney planetesimals, which themselves formed from the ... levels of radioactivity or a secondary collision with another large planetesimal. ...
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icy planetesimals. from formation of the Jovian planets ... moon was probably created when a big planetesimal tore a chunk out of the newly forming Earth. ...
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Once the rocks solidify, radioactive decay will then take over. ... Over time, the planetesimals grow as more molecules condense out of the nebula ...
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Planetesimal Accretion in. alpha Centauri. Philippe Th bault (Stockholm/Paris Observatories) ... dV evolution among planetesimals of different sizes, under the ...
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Planetesimals in the early solar system collide and accrete to form protoplanets. ... Planetesimal: small ~1km rocky asteroid-like objects in early solar system ...
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What was the general composition of the solar nebula? What are planetesimals? ... the stages of Solar System formation. I. Composition of Solar Nebula ...
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... result of low-speed collisions, building up to small bodies called planetesimals. ... Maybe these planets formed beyond the frost-line, but due to friction ...
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Trapping of planetesimals orbiting nearby the proto-Jupiter. Mass growth of the planet ... planetesimal disk which drove the planetary migration. So far we know: ...
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Giant planets ' composition: D/H, He/H, oxygen source ... Activity of outer small bodies and water content in outer planetesimals ...
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Step 1 Accretion of planetesimals to form large Earth-like ... and poles do not rotate at same rate (oblate shape): 10 h 40 min and 10h 15 min respectively ...
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The Moon and terrestrial planets were bombarded by planetesimals early in ... After formation, giant planet orbits were affected by gravitational nudges' from ...
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NEBULAR HYPOTHESIS
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In a dense molecular cloud far, far away proposed originally by Kant, Laplace, and others in the 1700's solar system formed from a nebula (cloud of interstellar gas ...
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Origin of Our Solar System TEK Objective 5: Earth in space and time. The student understands the solar nebular accretionary disk model. The student is expected to ...
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Chapter 8 Formation of the Solar System
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1) Dust settles on the disk's mid-plane and coagulates in pebbles ... Consistent with one basin on Vesta, lack of shock ages of meteorites prior to ...
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Chapter 8 Welcome to the Solar System
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Initial Stages of Planet Formation in Protoplanetary Disks: Origin of Vortices A. G. Tevzadze Abastumani Astrophysical Observatory, Georgia Tbilisi State University ...
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Formation of protostar and protostellar nebula. Evolution of early sequences and ... Protostar starts sucking in nearby nebular gases, forms local increase in ...
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Extrasolar Planets The first planet detected ... Rules of chemistry Observations of rock ... Asteroids Some asteroids appear to be rubble piles of broken ...
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What caused the orderly patterns of motion in our solar system? ... birth region of planets Dust is continuously replenished by disruptive collisions between ...
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Earth, Moon and Mars: How They Work
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Comparative Planetology II: The Origin of Our Solar System
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Planet migration (late stages) ... Disc: 30-50 ME , edge at 30-35 AU (1,000 5,000 bodies) ... We assume a population of Trojans with the same age as the planet ...
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Chapter 5: Formation of Stars and Planets (and more) Part 2 - the Solar System EVERYTHING in the Solar System orbits the Sun! What is EVERYTHING?
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Initial toroidal magnetic flux is lost through ... Toroidal flux versus time. Volume averaged value saturates at ~ 3 - 4 x 10 ... primarily toroidal at all ...
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Jupiter, Saturn and Neptune radiate more heat than they receive from the Sun ... Comet SL9 impact fireball (top) and resulting dark impact 'bruises' on Jupiter ...
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Meteorites, Asteroids, and Comets Chapter 25 Guidepost Guidepost (continued) ... Almost certainly not from comets (in contrast to meteors in meteor showers!).
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Formation of the Earth and the Terrestrial Planets Let s start with topics that we won t talk about at any great length in this course First, one has to form the ...
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Planetesimal Formation: Numerical Modeling of Particle Growth, Settling, and Collective Gas-Grain Interactions S. J. Weidenschilling, Planetary Science Institute
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Test your star power Which do you think is the most common element (by mass) found in stars? Helium Hydrogen Carbon Silicon Sagittarius Star Cloud, Center of the ...
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belajar tentang solar system
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Chapter 8 Welcome to the Solar System The Birth of the Solar System Our goals for learning Where did the solar system come from? What caused the orderly patterns of ...
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