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This Apollo 11 experiment still takes place on the Moon



Aldrin placed an array – an array of 100 quartz glass prisms in rows – on the surface. Later, Apollo missions 14 and 15 added similar arrays to the surface.

The simple experiment does not require energy, which is why it still serves a purpose.

The arrays reflect light, full of valuable insights, back to Earth. Observatories in Italy, France, Germany and New Mexico routinely place lasers on the arrays and note, according to NASA, the time needed for light to return to Earth.

Scientists can measure this distance to within a few millimeters. In this way, researchers can determine the orbit, rotation and current orientation of the moon required for landing on the moon. They also act as milestones for cameras mounted on spacecraft.

Although we know that the Moon is about 239,000 miles away, the scientists using the arrays have found that this distance actually increases by an inch and a half each year.

  NASA fed some of its precious Apollo 1[ads1]1 moon specimens on cockroaches.

It used to be assumed that the moon had a solid core, but data from the arrays showed that the nucleus is fluid. This core determines the direction of the lunar poles, which can also determine the array data by orientation.

Over the next ten years, new and improved reflectors will be installed at various points on the Moon to learn more about the Moon's interior. A look into the past and help in exploring the future.

In order for NASA to reach the Moon in 1969, cameras were sent to capture details about the lunar surface and to ensure that the astronauts and everything else touched the lunar surface. Moon would not sink into the dust.

Until 1964 there was no close-up or detailed photos of the lunar surface.

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The NASA Ranger spacecraft orbited the Moon and documented the surface. The first either did not escape the near-Earth orbit or missed the moon altogether. Others were deliberately thrown to the moon but did not return any images before the impact.

  The first image returned by Ranger 7.

In 1964, Ranger 7 successfully reached the moon and returned 4,316 images of the surface before deliberately colliding with the surface that became known. "Ranger 8 and Ranger 9 would send back thousands of other images and live images of a lunar crater, which would allow for the next steps in the Moon Exploration.

NASA's goal is to have the first woman and the next man on the South Pole by 2024 NASA has christened this route back to Moon Artemis after Apollo's twin sister in Greek mythology, and the agency also aims to build a lasting human presence on and around the Moon by 2028.


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