History of Astronomy

What Ptolemy propose?

• The heliocentric model of the universe.
• The theory of relativity.
• The geocentric model of the universe
• The Big Bang theory.

What did Copernicus propose?

• Theory of relativity.
• Geocentric model of the solar system.
• Heliocentric model of the solar system
• Atomic theory.

What did the geocentric model of the universe assume?

• The Earth was the center of the universe.
• The planets revolved around the Moon.
• The universe was infinite.
• The Sun was the center of the universe.

What does the heliocentric model of the universe propose?

• The Sun is at the center of the solar system.
• The planets revolve around the Moon.
• The Moon is at the center of the solar system.
• The Earth is at the center of the solar system.

What is an epicycle?

• An epicycle is a type of eclipse that occurs when the moon passes between the sun and the earth.
• An epicycle is a term used in geometry to describe a straight line that intersects a circle at two points.
• An epicycle is a musical instrument commonly used in traditional Chinese music.
• An epicycle is a small circle whose center moves around the circumference of a larger circle.

What did Galileo discover?

• Jupiter's four biggest moons

• Jupiter's moons did not orbit Earth

• Venus orbited the Sun and not the Earth

• That the Earth was flat

What did Kepler realise?

• The planets move in random patterns around the sun.
• The planets move in circular orbits around the sun.
• The planets move in straight lines around the sun.
• The planets move in elliptical orbits around the sun.

Why did some scientists argue against the geocentric model of the universe?

• The geocentric model contradicted religious beliefs.
• The geocentric model was too complex and difficult to understand.
• The geocentric model could not explain why some planets changed brightness.

• The geocentric model did not explain the observed motion of the planets and stars.

Why isn't the heliocentric model of the universe correct?

• The heliocentric model is too complex to understand.
• The heliocentric model contradicts religious beliefs.
• The heliocentric model was disproven by scientific probes and space exploration.

• The heliocentric model assumes the Sun is at the center of the universe.