They are much noted for their contributions in different fields. They were not only great philosophers but great scientists and mathematicians as well.

The shape of the Earth. It has bulging equator and squeezed poles.

An astronomical event that occurs when an astronomical object or spacecraft is temporarily obscured bypassing into the shadow of another body orby having another body pass between it and the viewer.

The astronomical model in which the Earth and planets revolve around the Sun at the center of the Solar System.

Any theory of the structure of the solar system (or the universe) in which Earth is assumed to be at the center of it all.

Which of the following ancient Greek philosophers computed for the circumference of the Earth?

According to Erastothenes’ computations, what is the circumference of the Earth?

During which time did Eratosthenes observe the shadows cast by a vertical stick?

What is the only natural satellite of the earth?

Why did Pythagoras conclude that the Earth is spherical?

the path of an object that is in revolution about another object or point

Which of the following is a statement of Kepler's first law?

Using his mentor’s data, he formulated the three laws of planetary motion: the law of Ellipse, Law of Equal Areas, and the Law of harmonies.

What planet did Kepler analyze for him to formulate his Laws of Planetary Motion?

In simple language, Kepler's second law means that

What relationship was determined in the 3rd Law of Planetary motion?

In non-mathematical terms, Kepler's third law says that:

The point of nearest approach of the planet to the Sun.

The point of greatest separation of the planet to the Sun

the time it takes an object to travel once around the Sun