The input shaft for the gear train shown in figure rotates at 6840rpm6840\ \mathrm{rpm}6840rpm. What is true about solar system densities? Laplace theorized that the Sun originally had an extended hot atmosphere throughout the Solar System, and that this protostar cloud cooled and contracted. E) Some have satellites of their own. c. very durable, made of iron. What is the primary reason that astronomers suspect that some jovian moons were captured into their current orbits? c) should be randomly oriented to their star's equator. p. 233, formation and evolution of the Solar System, Universal Natural History and Theory of the Heavens, History of Solar System formation and evolution hypotheses, Formation and evolution of the Solar System, "Astronomers May Have Found the Galaxy's Youngest Planet - The Webb telescope soon will help measure the world, which may offer insights into how our own formed". Heres The Solar System, Did our Solar System Start with a Little Bang?, and What was Here Before the Solar System? A) comets away from the sun and becomes longest and brightest at perihelion. D) brown dwarfs much more massive than Jupiter. Noting the doppler shifts of the star as the planet orbits. A) a streak of light in the atmosphere. E) Kuiper Belt bodies. A) most jovian satellites Chapter 4: The Solar System: Interplanetary M, Astrononmy: The Terrestrial Planets: Ch 6, American Literature: Frederick Douglass, Olau, Jeffrey O. Bennett, Mark Voit, Megan O. Donahue, Nicholas O. Schneider. While the paleontologists are still duking it out, the astronomers seemed to have figured out what caused the formation of the solar system. Chp. 12 Flashcards | Chegg.com Then the accumulation of matter continues, which will lead to the onset of nuclear reactions that allow the newly formed star to resist gravitational pressure. E) have perihelions within the orbits of Mercury. B) The denser planets lie closer to the Sun. C) the Sun is unique, made of nothing but hydrogen and helium. The migration of the super-Earths, or the embryos that collided to form them, is likely to have been Type I due to their smaller mass. what does the flatness of the rotation curve shown here reveal about this galaxy? The Nebular Hypothesis and Formation of the Solar System E) the polar cap of Mars. A) the circular disk of gas around the Sun's equator from which the planets formed. D) Earthgrazers can cross not only our orbit, but even those of Venus and Mercury. The study of star forming molecular clouds shows that same early, large stars form that way. Moon Formation Theories & Overview | What is the Capture Theory? About 2% of our solar nebula consisted of elements besides hydrogen and helium. lessons in math, English, science, history, and more. The Solar System: Layout, Formation & Dating, Solar Nebula Theory & Patterns of Planetary Motion, Psychological Research & Experimental Design, All Teacher Certification Test Prep Courses, Characteristics of Our Solar System's Planets, Momentum, Energy, Pressure, Temperature & Gas, Small Celestial Bodies & Satellites in Our Solar System, The Atmosphere on Earth and Other Planets, The Solar Nebula Theory: Formation of the Solar System, Major Characteristics of Planets in the Solar System, Theoretical vs. Actual Temperature in our Solar System, NY Regents Exam - Physics: Test Prep & Practice, Praxis Chemistry: Content Knowledge (5245) Prep, College Chemistry: Homework Help Resource, Study.com ACT® Test Prep: Practice & Study Guide, Solar Nebular Hypothesis: Definition & Explanation, SAT Chemistry Test Strategy: Estimation & Elimination, Guessing Strategies for SAT Subject Tests, Working Scholars Bringing Tuition-Free College to the Community. ASTR 129 Ch. 8 Flashcards | Quizlet C) debris from the Kuiper Belt. C) at a constant rate. D) noting the Doppler shifts of the star as the planet orbits it from side to side. E) None of the above are true, A meteor is Just when we think we have a satisfactory explanation, there remain those troublesome issues it just cant account for. The temperature, reaction rate, pressure, and density increased until hydrostatic equilibrium was achieved. [80] The clouds of captured hydrogen and helium gas contracted, spun up, flattened, and deposited gas onto the surface of each giant protoplanet, while solid bodies within that disk accreted into the giant planet's regular moons.

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