20,000 years need to reach Alpha Centauri


 Most of you look at the news every day. Then you know what are the things that you can see in the news. They are very simple. The reporters of the news channels cover various portions of the world. Sometimes you can see the space news are there in the news of the TV, radio and other social channels. How can the reporters travel to the space. It is not very practical. But the details can be provided through the spacecrafts. You know what are the spacecrafts. They are the space vehicles that launch to the space for finding the details about the secrets in the space. 

    Then today, my topic is to discuss these things. In the earlier times, the details about these space secrets found out by the spacecraft like the pioneer 10, Pioneer 11, Voyager 1 and Voyager 2. Later we will see the details of the above spacecraft one by one. The Voyager spacecraft departed our solar system. After the departure it entered the interstellar medium. I mean here the two probes. Then after that the connection of the pioneers lost in 1995 and 2003.

   But still, scientists are trying to find out what happened to these spacecraft. And where will it stop? Then after that, what happens to them. Therefore scientists assign another telescope to find out these details. That is the Gaia telescope. That telescope is to answer for the above-raised questions by the scientists. Yeah, I think that is the best solution for scientists.

  About this Coryn Bailer said that,

following their encounters with the outer planets in the 1970s and 1980s, pioneers 10 and 11 and voyagers 1 and 2 are now on escape trajectories out of the solar system.” 

   Other than that the David Farnocchia said that,

although they will cases to operate long before encountering any stars, it is nonetheless interesting to ask which stars they will pass closest to the next few million years” 

   Here I aimed to speak about the Alpha Centauri. But the Proxima Centauri is even essential. What is the reason??? All probes that went to the alpha Centauri meets the Proxima Centauri at first. It is situated in 4 light-years away located from the Alpha Centauri. Then the scientists are saying Voyager 1 will take about 16, 000 years to pass Proxima Centauri while the same spacecraft takes 20,000 years to give the Alpha Centauri. And Then the pioneer 11 will meet the neighbouring star in about 18,00 years. 

  Then we’ll talk about the pioneer 10. It is on a different path than the other probes. Pioneer 10 will meet Ross 248 as its first star. I can tell you the position of this star. This is in 10 light-years away from the Andromeda galaxy. Then the pioneer ten will pass the sun in about 34,000 years. 


   Then the Voyager 1 spacecraft. The Voyager 1 will visit the flare star HD 28343. This star is a particular star. Because this star can exhibit a dramatic increase in brightness. But that brightness long lasts for a few minutes. And the scientists think that HD 28343 flare due to the magnetic field within there atmosphere. Those are very similar to the solar flares of our sun. Other than this star, the Voyager 1 will pass Gliese 445. That is about in 44,000 years. 

  You know our life is over 80 years old. The maximum number of years can be 100. But think about the time that spent to pass these stars. It is about the multiplication of 440 times of human life span. Oh, wonderful. Our space is very spread one. You cannot end up exploring the area until your life over. Then we will see the descriptions about pioneer 10, Pioneer 11, Voyager 1 and Voyager 2. 

      First of all, we’ll see about the pioneer 10.

Pioneer 10

   This is an American space probe. This was launched in 1972. The weight is about 258 kg. There is a personal record of pioneer 10. It is the first of five artificial objects to achieve the escape velocity that will allow them to leave the solar system. This project was conducted by the NASA Ames research centre in California. The manufacturer is the TRW inc. 

   The primary mission of the pioneer mission is to the outer solar system and heliosphere exploration. The planned mission duration is 30 years, ten months and 22 days. You know that only spacecraft cannot do research. To those various other equipments needed. Some of them are as follows, 

  • Helium vector magnetometer 
  • Quadri Spherical plasma analyser 
  • Charged Particle instrument 
  • Cosmic ray telescope 
  • Geiger tube telescope
  • Trapped radiation detector
  • Meteoroid Detectors
  • Ultraviolet photometer 
  • Infrared radiometer 
  • Asteroid or Meteoroid detectors 

Those above are some. Now we know the essential details about the pioneer 10. Now we can move to the next topic. It is the pioneer 11. Recall the details about pioneer 11. Then, 

Pioneer 11

    This is even an American space probe as well as that this is a robotic space probe launched by NASA. That was launched on the 6th of April 1973. This is to study the asteroid belt, the solar wind, cosmic rays and the environment around Saturn and Jupiter. As the above space probe, this spacecraft even has a record. It is that pioneer 11 became the second of five artificial objects to achieve the escape velocity that will allow them to leave the solar system. 

   For the last time data received from the pioneer 11 on the 24th of November 1995. And the last routine contact with this space probe was on the 30th of September 1995. 

  The primary mission of this spacecraft is to the planetary and the heliosphere exploration. The planned duration of the task is 22 years 5 months and 25 days. It contains about 259 kilograms. 

   Not only some individual mission but also this is planned to success many goals. Some of them are as follows. 

  • Find the interaction of Saturn with the solar wind. 
  • Measure the temperature of the atmosphere of Saturn 
  • Plot the structure of the upper atmosphere of Saturn 
  • Explore more about the environment of the Jupiter 

 There are many, but all of them can’t mention here. Now we can move to the next topic. It is about Voyager 1. Then, 

Voyager 1

   As the above ones, this is even an American spacecraft. This is launched by NASA.  Voyager 1 was launched on the 5th of September 1977. Until the 27th of December 2019, Voyager 1 communicate with the earth. 

   The mission is to the outer planetary, heliosphere, and interstellar medium exploration. The time duration for the purpose is about 42 years, three months and 22 days elapsed and planetary mission is to 3 years, three months and nine days. Another hand that the interstellar mission is planned for about 39 years, 13 days elapsed. The weight of this is 825.5 kg. 

 These above are some necessary details about the Voyager 1. Then we can move to our final subtopic. It is the, 

Voyager 2

    As all above, this is even an American space probe. And even it is by NASA. This is the twin of the Voyager 1. And this launched 16 days before the Voyager 1. As well as the above three, this is having a record too. It is the fourth of five spacecraft to achieve solar escape velocity which will allow it to leave the solar system. 

   The mission is to planetary exploration. The mission duration is 42 years, four months and three days elapsed. The planetary mission is to 12 years, one month and 12 days. Other than that it takes 30 years two months and 21 days passed in the interstellar mission. It has a mass of about 825.5 kilograms. 

  Then I have finished saying about those above four spacecraft. I think you got more details about them. Here I told some rough circumstances. If you want more, you can request from us. We will meet our next article very quickly. 

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