The Formation of the Solar System
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Questions and Answers

Which scientific disciplines have contributed to the development of the nebular hypothesis?

  • Mathematics, computer science, economics, and linguistics
  • Biology, psychology, sociology, and anthropology
  • Astronomy, chemistry, geology, physics, and planetary science (correct)
  • History, literature, art, and music

    • What is the main factor that caused the formation of the Sun in the Solar System?

  • The collision between two large celestial bodies
  • The gravitational collapse of a small part of a giant molecular cloud (correct)
  • The radiation emitted by a nearby star
  • The explosion of a supernova

    • What is the most likely cause of the formation of Earth's Moon?

  • Capture by Earth's gravitational pull
  • A giant collision (correct)
  • Formation from a circling disc of gas and dust
  • Independent formation and later capture

    • What is the most abundant element in the Sun's mass?

    <p>Hydrogen</p> Signup and view all the answers

    What type of stars produce supernovae?

    <p>Massive, short-lived stars</p> Signup and view all the answers

    What is the main source of energy for main-sequence stars like the Sun?

    <p>Hydrogen fusion</p> Signup and view all the answers

    According to the nebular hypothesis, the Solar System formed from the gravitational collapse of a small part of a giant molecular cloud. What did most of the collapsing mass form?

    <p>The Sun</p> Signup and view all the answers

    Which scientific disciplines have contributed to the development of the nebular hypothesis?

    <p>Astronomy and chemistry</p> Signup and view all the answers

    What is one possible cause of the formation of Earth's Moon?

    <p>Giant collisions</p> Signup and view all the answers

    According to the nebular hypothesis, the Solar System formed from the gravitational collapse of a fragment of a giant molecular cloud located at the edge of a Wolf-Rayet bubble. What was the approximate size of the collapsing fragments?

    <p>1 parsec</p> Signup and view all the answers

    What is the most abundant element in the Sun's mass?

    <p>Hydrogen</p> Signup and view all the answers

    What is the age of the Solar System based on the oldest inclusions found in meteorites?

    <p>4,568.2 million years</p> Signup and view all the answers

    What is the main factor that caused the formation of the Sun in the Solar System?

    <p>Gravitational collapse</p> Signup and view all the answers

    Which element's highly homogeneous distribution in the Solar System suggests the occurrence of a supernova before the formation of planetary bodies?

    <p>Iron-60</p> Signup and view all the answers

    What type of stars are responsible for producing supernovae?

    <p>Massive, short-lived stars</p> Signup and view all the answers

    What is the approximate diameter of the cluster in which the Sun formed?

    <p>6.5 to 19.5 light years</p> Signup and view all the answers

    What caused the contracting nebula to flatten into a spinning protoplanetary disc?

    <p>All of the above</p> Signup and view all the answers

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