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Formation of the Solar System: Key Questions and Answers, Assignments of Astronomy

The questions and answers for a quiz or exam on the topic of the formation of the solar system. It covers various aspects such as the role of angular momentum, the presence of a disk of gas and dust around a star as a clue for solar system formation, the cause of the nebula contraction, and the formation of terrestrial planets. The document also mentions the abundance of hydrogen and helium in the outer regions of the solar nebula and the importance of condensation temperature in the formation of terrestrial planets.

Typology: Assignments

Pre 2010

Uploaded on 12/10/2009

whitney-bowling3
whitney-bowling3 🇺🇸

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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
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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