The great contribution of Nicholas Copernicus was to ________
A) create a detailed model of our solar system with the Sun rather than Earth at the center
B) discover the laws of planetary motion
C) discover the law of gravity
D) prove that the Earth is not the center of the universe
A
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Which of the following statements is true of Jupiter's interior?
A) High pressure creates a sudden boundary between liquid and gas. B) It is four times colder than the Sun's surface. C) The rocky core at Jupiter's center contains light-weight elements. D) It is composed of a material that is a very good conductor of electricity.
The Large Hadron Collider (LHC) near Geneva, Switzerland is an example of a
A) synchrotron. B) cyclotron. C) linear accelerator. D) None of the above
Uniform Circular Motion: Sarah drives at a constant speed of 15 m/s around a circular horizontal curve of diameter 60 m. What are the magnitude and direction of her acceleration?
What will be an ideal response?
The six diagrams represent the sky at six different latitudes. Which diagram represents the paths of stars at the North Pole?
What will be an ideal response?