Formation of Earth Quiz
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Questions and Answers

Where is our star, the Sun, located?

  • In the Andromeda galaxy
  • In the Milky Way galaxy (correct)
  • In the Orion constellation
  • In the Solar System

What are nebulae?

  • Clouds of gas and dust in space that mark the birthplace of stars (correct)
  • Comets revolving around the Sun
  • Planets in the Milky Way galaxy
  • Galaxies that compose the universe

How many stars are there in the Milky Way galaxy?

  • Over 100 billion (correct)
  • Over 1 trillion
  • Less than 50 billion
  • Exactly 200 billion

What is the Solar Nebula Hypothesis?

<p>The hypothesis that nebulae are the birthplaces of stars (D)</p> Signup and view all the answers

What is the goal of the topic 'Origin of Earth & Early Earth'?

<p>To locate Earth’s place in the universe and address the basic question of how planets like Earth form (A)</p> Signup and view all the answers

What is the Solar Nebula Hypothesis?

<p>A theory stating that the solar system formed from the gravitational collapse of a giant molecular cloud (C)</p> Signup and view all the answers

What marked the birthplace of stars, according to the text?

<p>Nebulae (A)</p> Signup and view all the answers

How many galaxies compose the universe, as mentioned in the text?

<p>Over a hundred billion (C)</p> Signup and view all the answers

What is the Hadean Era known for?

<p>Extreme conditions of the Earth during its first few hundred million years (A)</p> Signup and view all the answers

How many planets are there in our solar system, according to the text?

<p>8 (D)</p> Signup and view all the answers

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