Astronomy: History and Concepts
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Questions and Answers

Who categorized objects in motion into different elements?

  • Aristotle (correct)
  • Pythagoras
  • Eratosthenes
  • Galileo
  • Who introduced the idea of the round model of the Earth’s shape?

  • Aristotle
  • Galileo
  • Pythagoras (correct)
  • Eratosthenes
  • Who stated that all objects move depending on the forces acting on them?

  • Pythagoras
  • Galileo (correct)
  • Eratosthenes
  • Aristotle
  • In the geocentric model of the solar system, which celestial body is believed to be at the center?

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

    Who attempted to measure the circumference of the Earth?

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

    Who formulated the three laws of planetary motion based on Brahe’s extensive astronomical data?

    <p>Johannes Kepler</p> Signup and view all the answers

    What phenomenon explains why the sky is blue?

    <p>Rayleigh scattering</p> Signup and view all the answers

    What type of mirror is typically found on the passenger side of newer cars?

    <p>Convex mirror</p> Signup and view all the answers

    What is the primary outcome of light passing through a material without being absorbed?

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

    If 1 stadium is equal to 0.1577 kilometers and the Earth’s circumference is about 250,000 stadia as measured by Eratosthenes, what would be the earth’s circumference in kilometers?

    <p>Around 40,000 kilometers</p> Signup and view all the answers

    Aristotle categorized objects in motion into air, earth, fire, and water?

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

    Galileo established the idea that objects thrown in space will move upwards because of the gravitational pull acting on it?

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

    In the geocentric model of the solar system, Earth is the celestial body believed to be at the center?

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

    The heliocentric model of the solar system places the Sun as the celestial body believed to be at the center?

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

    Eratosthenes successfully measured the circumference of the Earth?

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

    Johannes Kepler formulated the laws of planetary motion based on his own observations.

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

    Transmission occurs when light is absorbed by the atoms of a material and converted into thermal energy.

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

    Diffused reflection is the separation of white light into colors due to refraction.

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

    Rayleigh scattering explains why all colors are absorbed except green, which is reflected.

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

    If 1 stadium is equal to 0.1577 kilometers, then the Earth's circumference is about 25,000 kilometers as measured by Eratosthenes.

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

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