AS101- Assignment 3 Questions and Answers 100% Pass

AS101- Assignment 3 Questions and Answers 100% Pass In 1054 CE, the Chinese recorded a very interesting and powerful cosmic event. What was this event? Question options: a star merger a supernova a galactic collapse 2 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. simultaneous solar and lunar eclipses - B What did Eratosthenes measure very accurately? Question options: the size of the Earth the length of the year the distance to the Moon the length of the month - A Who were the two great authorities of Greek astronomy? 3 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. Question options: Aristotle and Ptolemy Julius Caesar and Aristotle Columbus and Ptolemy Alexander the Great and Julius Caesar - A Whose writings became so famous that he was known throughout the Middle East simply as "The Philosopher"? Question options: 4 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. Ptolemy Eratosthenes Aristotle Hipparchus - C Which of the following statements reflects beliefs that were almost universally held in pre-Copernican astronomy? Question options: The planets travelled in elliptical orbits around the Earth 5 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. The planets travelled in elliptical orbits around the Sun The Sun was at the centre of the universe The Earth was at the centre of the universe - D In what circumstances is retrograde motion observable? Question options: It is observable for planets located between the Earth and the Sun It is observable for planets more distant from the Sun than the Earth 6 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. It is only observable for the Moon It is observable for all planets - B You are observing the night sky from Mars. In what circumstances is retrograde motion observable? Question options: It is observable for planets more distant from the Sun than Mars It is observable for planets located between Mars and the Sun It is only observable for Earth and Venus 7 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. It is observable for all planets - A What is the term for the apparent westward motion of a planet in the sky compared to the background stars (as viewed from the Earth) when observed on successive nights? Question options: epicycle retrograde motion prograde motion 8 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. heliocentric motion - B What is parallax? Question options: the apparent motion of an object due to the motion of the observer the distance between two straight lin