Thanks to NASA, we now know what the solar system looks like, centered on a view of the moon’s far side. The computer-generated time-lapse gives two views of the lunar cycle from the side of the moon we never see from Earth.
Although it doesn’t appear to spin from Earth’s perspective, the moon does rotate, once about every 27 days. That’s also approximately the same amount of time it takes the moon to orbit the Earth, once. The phenomenon is called synchronous rotation. In all, about 59 percent of the moon is visible from Earth over the course of an orbit. We never ever see 41 percent of the moon – the side that many call “dark.”
But the “dark” side of the moon has always, from its perspective, gotten plenty of light. When Earth sees a waning crescent, the far side is nearing fullness.
And it’s light in another sense, too: The “dark” side has few of the distinctive dark spots that mark the Earth-facing side of the moon. Those spots are called maria, from the Latin word for sea, because early astronomers mistakenly thought they were lunar seas (they’re actually volcanic plains). The smooth and dark maria cover 17 percent of the surface of the moon. Almost all of them are visible from Earth.
Humans first got a look at the far side of the moon in 1959, thanks to the Soviet Union’s Luna 3 spacecraft. The images were grainy, but still showed a surface very different from what the moon showed Earth:
NASA now has tens of thousands of images of the moon all the way around, which can be used to make much more detailed projections, like this one:
The mystery of the “dark” side’s lighter surface has long been a difficult question for scientists. Although the going theory has been that the maria were the result of a huge asteroid impact, recent research suggests that the dark surface of the Earth-side moon is the result of ancient magma flooding.
A number of people who’ve seen NASA’s annual lunar phase and libration videos have asked what the other side of the Moon looks like, the side that can’t be seen from the Earth. This video answers that question. The imagery was created using Lunar Reconnaissance Orbiter data.
This is a documentary explaining that – Have you ever seen the back side of the Moon ?
But some think different… David Icke and many others think Moon is just an hologram or an Alien base.
Here is his explain:
Far side of the Moon
The far side of the Moon is the hemisphere of the Moon that always faces away from Earth. The far side’s terrain is rugged, with a multitude of impact craters and relatively few flat lunar maria. It has one of the largest craters in the Solar System, the South Pole–Aitken basin. Although both sides of the moon experience two weeks of sunlight followed by two weeks of night, the far side is also referred to as the dark side of the Moon, originally in the sense of “unknown” rather than lack of light.
About 18 percent of the far side is occasionally visible from Earth due to libration. The remaining 82 percent remained unobserved until 1959, when the Soviet Union‘s Luna 3 space probe photographed it. The Soviet Academy of Sciences published the first atlas of the far side in 1960. In 1968, the Apollo 8 mission’s astronauts were the first humans to view this region directly when they orbited the Moon. To date, no human being has ever stood on the surface of the far side of the Moon.
Tidal forces from Earth have slowed down the Moon’s rotation so that the same side is always facing the Earth, a phenomenon called tidal locking. The other face, most of which is never visible from the Earth, is therefore called the “far side of the Moon”. Over time some parts of the far side can be seen due to libration. In total 59 percent of the Moon’s surface is visible from Earth at one time or another. Useful observation of the parts of the far side of the Moon occasionally visible from Earth is difficult because of the low viewing angle from Earth (they cannot be observed “full on”).
The idiomatic phrase “dark side of the Moon” does not refer to “dark” as in the absence of light, but rather “dark” as in unknown, until humans were able to send spacecraft around the Moon, this area had never been seen. While many misconstrue this to think that the “dark side” receives little to no sunlight, in reality, both the near and far sides receive (on average) almost equal amounts of light directly from the Sun. However, the near side also receives sunlight reflected from the Earth, known as earthshine. Earthshine does not reach the area of the far side which cannot be seen from Earth. Only during a full moon (as viewed from Earth) is the whole far side of the Moon dark. The word “dark” has expanded to also refer to the fact that communication with spacecraft can be blocked while on the far side of the Moon, during Apollo space missions for example