![]() ![]() They collected hundreds of pounds of lunar soil and rock samples, conducted experiments and installed equipment for follow-up measurements. On July 20, 1969, NASA astronauts Neil Armstrong and Buzz Aldrin were the first people to set foot on the dusty surface of the Moon. The Moon is the only other planetary body that humans have visited. ![]() For example, NASA's Lunar Reconnaissance Orbiter has been circling the Moon and sending back measurements since 2009. Today, we study the Moon using telescopes and spacecraft. Later, people used their observations of the Moon to create calendars. The impact sent chunks of Earth and the impactor into space that were pulled together by gravity, creating the Moon.Įven thousands of years ago, humans drew pictures to track the changes of the Moon. Dates of Moon Phases in 2023 Year New Moon, March 21, Tue, 10:26 First Quarter, March 28, Tue, 19:33 Full Moon, April 5, Wed, 21:37 Last Quarter, April 13. Scientists believe that the Moon formed early in the solar system’s history after Earth and an object about the size of Mars smashed into each other. Credit: NASA/Goddard Space Flight Center/Arizona State University This image is based on data from NASA’s Lunar Reconnaissance Orbiter spacecraft. In western culture, we divide the lunar month into four primary and four intermediate Moon phases. ![]() Notice how few dark areas the far side has. It takes around 29.5 days to move through the eight Moon phases. The "far side" of the Moon looks very different than the near side (see the first photo in this article). ![]()
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