Astronaut Neil during his lunar mission recorded his weight. He noticed a big difference in his weight compared to his weight ta
ken when he was on earth. If his weight on earth was 90kgs, what would be his weight on moon and what could be the reason for this difference? a. His weight will be 5kg; this is because moon’s gravity is 1/10th as compared to that of the earth.
b. His weight will be 45kg; this is because moon’s gravity is 1/7th as compared to that of the earth.
c. His weight will be 5kg; this is because moon’s gravity is 1/8th as compared to that of the earth.
d. His weight will be 15kg; this is because moon’s gravity is 1/6th as compared to that of the earth.
Answer: In this way, as the plates move further apart new ocean lithosphere is formed at the ridge and the ocean basin gets wider. This process is known as “sea floor spreading” and results in a symmetrical alignment of the rocks of the ocean floor which get older with distance from the ridge crest.
