Review- Greek Astronomy

Which of the following is an annual motion?

• Moonrise

• Eastward rise of stars

• Sunset

• Earth's revolution around the sun

Which aided Eratosthenes in measuring the Earth’s circumference?

• The appearance of stars differs when travelling from north to south.

• The shadow cast within the Syene and Alexandria during the solstice.

• A sphere is the only shape that cast a circular shadow in whatever direction.

• The shadow cast by the Earth during a lunar eclipse is circular.

Who was the proponent of Law of Planetary Motion?

• Isaac Newton

• Galileo Galilei

• Johannes Kepler

• Tycho Brahe

Ancient people make used of their senses to observe and understand the physical world for their living. What astronomical phenomena the ancient people used as basis of their calendar?

• eclipses

• sunrise and sunset

• phases of the moon

• sunspots

Who first stated that when you dropped two different objects they will fall at the same time with the absence of air resistance?

• Galileo

• Aristotle

• Kepler

• Newton