The source of power for the new lunar Rover is a laser. How does it work?

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2020-05-16 23:20:10

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The source of power for the new lunar Rover is a laser. How does it work?

Humankind periodically sends to the moon special moon Rovers (Rovers), which allow you to learn more about the Earth's satellite. For example, thanks to one of the soil analysis of the moon, astronomers were able to learn that there once was water (and maybe are now, but very deep). But for this Rover needs food — how it is produced? Electric stations and gas stations on the moon is not yet built, and send the Rovers to travel at least for a few years. In the majority of ships that live on the moon and on Mars, are now used in solar panels: they are inexpensive, safe, and easy, which is important given that the Rover still needs to send to space travel. However, they have one major drawback: solar panels do not allow you to go to the other side of the moon that is not illuminated by the Sun.

How to get electricity on the moon?

Several years scientists have tried to develop an alternative power source and found it in the form of radioisotope thermoelectric generators. Sounds scary? And no wonder, because such generators using energy, which is formed after decay of radioactive metals (usually use plutonium). It's not a full-fledged nuclear reactors, although they have with them something in common, but their job — providing power to spacecraft for decades. It thus organized a food and .

However, this way of eating has its drawbacks. First, these generators are very heavy and incredibly expensive. As a minimum, because the plutonium in a regular store do not get it, its circulation is strictly controlled by the state because of radioactive elements can be used to create weapons. Therefore, the moon usually used for powering solar panels. And the heat from the radioactive generator can be a water evaporator and to prevent the research. But due to the fact that the moon has a day and night, they only work in "Sunny" time — at night the Rover goes into hibernation mode.

found the original nutrition of the moon — the scientists want to fuel them with lasers! The project Powering rovers by High Intensity Laser Induction on Planets (PHILIP) has already allocated millions of euros. The point is that with the Rover to send to the moon the station power, which will land in the area of eternal light (Yes, on Earth there are such) and will remain there for all time a space mission. The station will set pyatisotletny infrared laser, and the power she will get by using the same solar panels. Station can send the power with a laser on the Rover with the help of a photoelectric Converter receives the energy needed to work even in pitch darkness.

scheme of the new method of food

According to the researchers, the range of this type of power is limited only by the sight of the feeding station, that is, it will always see the Rover to guide it to the laser. However, as scientists say, if you correctly choose the landing site, the Rover will be able to withdraw 15 kilometers without losing power. In addition, the Rover will collect energy, in the event of loss of contact with the station again to return to the zone of its visibility.

Scientists plan to send a lunar Rover to explore at least 3 points of the moon

Space mission to the moon

Last year, the Chinese lander "Chang'e-4" and the Rover . All this time they studied the crater in the Background of his Pocket and shared the results of his discoveries through the only source of communication in the form of a repeater of a satellite sending signals to Earth. A huge amount of data obtained as a result of the mission, could shed light not only on the history of the satellite and the causes of the mysterious shock the pool, but answer is still unexplored issues regarding the evolution of the Solar system as a whole.

The Next Chinese mission "Chang'e-5" should start at the end of 2020. However, the new module does not go to the dark side of the moon, as its predecessor. Instead, the mission would need , bringing them further into the Ground.

Now Rovers work mainly in the afternoon

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