Scientists have developed a laser-based telescope system: space access to the Internet

Given our exciting time in space exploration and discovery, our Internet needs may soon be out of the globe. With that in mind, let's talk about the Internet access to the moon.

Ultra long distance service provider

The real value of the Internet is that it makes it easy to transfer data between the host and the computer, but this is not the only way to share information over long distances.

For data exploration related to space exploration, radio frequency data transmission (ie radio frequency data transmission) technology is usually used because of its reliability and simplicity, albeit slowly.

However, the need for fast messaging is becoming more and more important and we will need to move faster as more satellites and long-range space travel in the future.

With RF data transmission, high-resolution images and video take a long time to complete the transmission, which simply does not work in a society that is hungry for speed and instant gratification.

As a result, researchers at the MIT and NASA unite to solve the problem. After years of unremitting efforts, scientists have developed a laser-based telescope system that provides fast Internet access to future astronauts in the moon and deep space exploration.

The principle of a laser telescope system is as follows: Four ground-based telescopes emit encoded infrared pulses into space and are then captured by a telescope mounted on a moon orbiting the moon. Earth's atmosphere will slightly disturb the pulse signal, which is why it needs to emit four synchronized pulse signals, which will make the connection stable and complete. Subsequently, the telescope on the satellite focuses the infrared beam onto the fiber, and the optical detector in the fiber interprets the flash of light as an electrical pulse that is then converted into data.

However, nearly 400,000 kilometers spanning from Earth to the Moon pose serious challenges. The researchers admitted that the signal was rather unstable due to atmospheric disturbances (bending light) and that the telescope also needed to constantly recalculate to match the orbiting satellites. In spite of this, the download and upload speeds from Earth to the Moon are staggering, actually faster than the average U.S. internet speed.

With the laser telescope system, at such a long distance, the upload speed reached 19MB / s, and the download transfer rate even faster, reaching an astonishing 622MB / s, than the existing RF transmission speed 4000 times!

Why is the Internet really important on the moon?

Well, given that most people will never land on the moon, or even spacecraft, it is hard to think of the actual use of such a powerful internet transmission system. However, think of those astronauts who have lived in space for many years! Astronauts on the space station will be able to use this technology to watch their favorite online shows, maybe they also want to chase the drama.

However, from a functional and scientific point of view, the ability to provide fast Internet connectivity in outer space means that information can be transmitted back to the Earth more efficiently. For example, the new HIR detector that flew Pluto in 2015 had an average transfer rate of only 1.5KB / s and collected more than a year before it was fully transmitted back to Earth.

In addition, once we set up a colony on the moon, we will be able to share lunar life with friends and family on Earth!

Although this technology certainly has limitations, it certainly will be further developed. In the more distant future, as humans become more deeply involved in space, this will require further expansion of the Internet's reach. When humans set foot on Mars, maybe they can download "Mars Rescue" directly on this red planet!

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