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Astronomy | Astrophysics
The Moon has a radius of 1,738 km. Demonstrate that the Moon is just over ¼ the size of the Earth.
Astronomy | Astrophysics
What is the sidereal orbit for Venus and what is its synodic period? Explain why is there a difference. Why is the synodic period for Neptune very close to the length of the Earth year?
Astronomy | Astrophysics
For which planet is the sidereal year the longest? The shortest? Explain why.
Astronomy | Astrophysics
What is the difference between a superior and inferior orbit? What are the planetary configurations and to which location does each refer?
Astronomy | Astrophysics
Using Kepler’s three laws, Newton’s three laws of motion, and Newton’s Universal law of gravitation, explain how and why the planets orbit the Sun.
Astronomy | Astrophysics
What is the difference between kilometers, AU, light-years and parsecs? Which measure or measures is/are best for describing distances to stars and why?
Astronomy | Astrophysics
What is parallax and why is it important to the heliocentric model?
Astronomy | Astrophysics
Compare and contrast the geocentric and heliocentric models. Why is the heliocentric model accepted today? What prevented the acceptance of the heliocentric model in the past?
Astronomy | Astrophysics
Explain the contribution to astronomy that each of the following made: Copernicus, Brahe, Galileo, Kepler, Newton.
Astronomy | Astrophysics
Explain the contribution to astronomy that each of the following made: Pythagoras, Aristarchus, Aristotle, Ptolemy.
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#339914 on Dec 2023
#339914 on Dec 2023