If you suddenly try to drive a car that has not been driven for years, it is doubtful whether it will run. But somewhere in space a spaceship is now operational after 37 years and has amazed scientists. The name of the spacecraft is Voyager-1.

Voyager 1, launched by the US in 1977, is now about 18.8 billion kilometers away. It is sending information from there. The spacecraft has an antenna to communicate with Earth. That antenna must have been looking at the earth very accurately..

Experts in the US wanted to turn the antenna slightly to get better information to Earth. Orders for this were issued from Earth on the 28th of November. Although traveling at nearly the speed of light, these orders took about 19 hours to reach the Voyager spacecraft.

When these orders were received, Voyager's four peach instruments went into action. These peaches were lying idle (due to lack of demand) for a period of 37 years. These act for `10 milliseconds and then the antenna is rotated accordingly.

Almost all spacecraft have such small pitch instruments. A liquid called hydrazine seeps through these. These are located in many corners of the spacecraft. If the right-hand pitch device is activated, the spacecraft will turn to the left. If the pitching device on the upper part is activated, the spacecraft will turn downwards. By properly activating the pitching instruments the spacecraft can be turned to any desired angle towards any direction.

It is considered a major achievement for the Voyager spacecraft to properly rotate its antenna in this way. The long non-operational instruments came back to life and functioned flawlessly. The hydrazine fuel used to power the thrusters was filled 40 years ago when the spacecraft was built. It is noteworthy that the fuel did not spoil for so long.

So the scientists and engineers at headquarters in America were overjoyed when the peach instruments worked well.

Now activated are the auxiliary beach instruments on board the Voyager spacecraft. The main instruments will be commissioned and tested in January. Auxiliary pitch instruments are usually kept on board the spacecraft in case the main pitch instruments fail.

Voyager 1 and Voyager 2 were launched by NASA in 1977 to explore the outermost planets of the solar system, Jupiter and Saturn.

Voyager 2 was diverted after exploring Jupiter and Saturn. As a result, it went to the planets Uranus and Neptune located at the border of the solar system and photographed them and collected a lot of information about the planets. Now traveling at a speed of 55 thousand kilometers per hour, it is heading towards the star Proxima Centauri. At present it is at a distance of 1746 crore km.