Download Formation of the Solar System: Key Questions and Answers and more Assignments Astronomy in PDF only on Docsity!
Question 1 1 out of 1 points As the solar nebular contracted, which of these remained constant? Answer Selected Answer: (^) angular momentum Correct Answer: (^) angular momentum Question 2 1 out of 1 points If you were looking at another star, which of these might be a clue that a solar system was forming around the star? Answer Selected Answer: (^) a disk of gas and dust surrounding the star Correct Answer: (^) a disk of gas and dust surrounding the star Question 3 1 out of 1 points What caused the nebula that formed the solar system to contract? Answer Selected Answer: gravity Correct Answer: gravity Question 4
1 out of 1 points The nebular theory explains why the direction that planets revolve around the sun is the same by theorizing that planets formed in the Answer Selected Answer: (^) protoplanetary disk Correct Answer: (^) protoplanetary disk Question 5 1 out of 1 points The solar system formed from a ______ Answer Selected Answer: nebula Correct Answer: nebula Question 6 1 out of 1 points What is the most abundant element in the solar system? Answer Selected Answer: hydrogen Correct Answer: hydrogen Question 7 1 out of 1 points
Selected Answer: (^4) Correct Answer: 12 Question 11 1 out of 1 points As the nebula that formed the solar system contracted it _____________. Answer Selected Answer: flattened Correct Answer: flattened Question 12 1 out of 1 points One reason that the Jovian planets are so much larger than terrestrial planets is that ________________ is\are very abundant in the outer regions of the solar nebula where it is colder. Answer Selected Answer: (^) hydrogen and helium Correct Answer: (^) hydrogen and helium Question 13 0 out of 1 points Where were the heavy materials that make up terrestrial worlds created? Answer Selected Answer: (^) in the nebula that formed the
solar system Correct Answer: (^) inside stars Question 14 1 out of 1 points Terrestrial planets formed closer to the sun because _________. Answer Selected Answer: the condensation temperature of rock is higher than that of gas and ice Correct Answer: (^) the condensation temperature of rock is higher than that of gas and ice Question 15 1 out of 1 points Why did the protosun heat up as the cloud contracted? Answer Selected Answer: (^) Kelvin-Helmholtz contraction Correct Answer: (^) Kelvin-Helmholtz contraction
