USSR’s Luna-2 craft took just 34 hours to reach Moon in 1959. Ten years later on July 20, 1969, Nasa’s Apollo-11 mission carrying humans landed on Moon in just four days, 6 hours and 45 minutes. So why is Chandrayaan-2 taking more than a month? The answer lies in the build of the rocket, the amount of fuel it’s carrying and the speed of the lunarcraft.
from Times of India https://ift.tt/2YzT5EN
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