Question: How many days on Earth is one day on the Moon?

DNVN - According to astronomers, the average distance between the Earth and the Moon is about 384,000 km. So how many days on Earth is a day on the Moon equivalent to?

In the history of space exploration , human landing on the Moon has always been considered a great achievement. From the Apollo missions to the Chang'e Moon exploration project, astronauts have always considered this an attractive and mysterious destination. However, amidst these exploration efforts, few people have asked the question: If astronauts stayed on the Moon for a day, how much time would pass on Earth? The answer is 29 days.

The average distance between the Earth and the Moon is about 384,000 km, while the time it takes for the Moon to complete one orbit around the Earth is 27.3 days. This means that the Moon takes longer to orbit the Earth than the Earth takes to rotate on its axis. In other words, while the Earth completes one rotation in 24 hours, on the Moon, a sunrise lasts about 709 hours.

This difference is largely due to the different rotation rates of the two celestial bodies. The Earth takes 24 hours to complete one rotation on its axis, while the Moon takes 27.3 days to do the same. Therefore, because the Moon rotates slowly, one day on the Moon is equivalent to almost one month on Earth.

After astronauts spend a day on the Moon, they will realize that a long time has passed on Earth. For people working in space, adjusting to the time difference between planets is important. They need to adjust their circadian rhythms to adapt to the new environment and ensure optimal work performance.

Bao Ngoc (t/h)

Source: https://doanhnghiepvn.vn/cong-nghe/thac-mac-mot-ngay-tren-mat-trang-bang-bao-nhieu-ngay-o-trai-dat/20250308120804820