Moon Formation Myths
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Questions and Answers

What is the most recent theory proposed about the formation of the Moon?

  • Giant Impact Theory (correct)
  • Lunar Collision Theory
  • Solar Nebula Theory
  • Accretion Theory

How much more energy did the collision that formed the Moon have compared to the one that killed the dinosaurs?

  • 1 million times more energy
  • 10 times more energy
  • 100 million times more energy (correct)
  • 1,000 times more energy

Why is the giant impact theory widely believed according to the text?

  • It indicates the Moon was formed through volcanic eruptions.
  • It proposes that Theia is still intact in space.
  • It suggests that Earth was hit by a comet.
  • It explains why the Moon is less dense than Earth. (correct)

What crucial factor had to be just right for Theia to form the Moon?

<p>The angle of impact (C)</p> Signup and view all the answers

What do lunar rocks and Earth rocks both contain according to the text?

<p>Nonradioactive isotopes of oxygen (A)</p> Signup and view all the answers

What was destroyed during the giant impact according to the text?

<p>Theia (B)</p> Signup and view all the answers

What process led to the eventual formation of the Moon from the debris following the giant impact?

<p>Accretion (B)</p> Signup and view all the answers

Why does the giant impact theory propose that Earth's upper mantle was decimated?

<p>Due to the energy released during the collision (C)</p> Signup and view all the answers

What evidence from astronauts on the Moon supports the giant impact theory?

<p>'Molten' nature of lunar rocks (D)</p> Signup and view all the answers

'Lunar Collision Theory' and 'Giant Impact Theory' are similar but differ in:

<p>'Lunar Collision Theory' doesn't involve Theia. (A)</p> Signup and view all the answers

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