— 202380.AST2002.82741 > Quizzes > Formation of Stars and Planets (Quiz) Formation of Stars and Planets (Quiz) a* Questions x ; v/ Question 1 Starte'ci. Oct 14 at 10.07.pm < Cmstion 2 Quiz Instructions + Question 3 +/ Question 4 Make sure you have read through and watched the videos for Formation of Stars and Planets before attempting this +/ Question 5 quiz. Time Running: Hide Time You have three attempts on this quiz. Only your highest score will be kept. Note that the questions may change Attempt due: Oct 15 at 11:59pm between attempts. 1 Hour, 53 Minutes, 18 Seconds Specific Learning Goals: 1. Describe the evidence (motion, chemical, and age) that constrain theories of solar system formation. 2. Trace the evolution of dust and gas in a molecular cloud to the development of stars, rocky planets and gas giants. [ Question1 1pts lb’.EagIc nebula taken by the HST The image above shows a molecular cloud in which stars are currently forming. There are three "pillars" visible. One is bright and two are dark. From front to back, how are these pillars and the light source arranged? ) colored pillar, light source, black pillars ® black pillars, light source, colored pillar O light source, colored pillar, black pillars D black pillars, colored pillar, light source Question 2 1pts How did the planets orbiting the Sun form? D The planets and the Sun formed at the time of the Big Bang. ) The planets were captured by the Sun’s gravity. ® The planets formed from the same materials as the Sun. ) The planets formed from the fusion of hydrogen in their cores. Fall 2023 Home Question 3 1 pts Syllabus Announcements The direction of revolution in the plane of the Solar System was determined by: & Assignments Dashboard O the direction of the gravitational force within the original cloud. Grades o ) the plane of the galaxy in which the Solar System sits. Modules * Courses ® the direction of rotation of the original molecular cloud. People ) the amount of material in the original cloud. Pages Quizzes Learner Support Resources ® Question 4 1pts Learner Support R . - : = o The terrestrial planets and the giant planets have different compositions because: Zoom O the giant planets are much larger. O the terrestrial planets have few moons. D the giant planets are mostly made of solids. @® the giant planets are much farther from the Sun. [ Question 5 1pts Molecular clouds collapse because of: O angular momentum ® gravity D static electricity O nuclear reactions Quiz saved at 10:14pm
