Archive for the ‘Voyager’ Category

The twin spacecraft will fall out of contact with Earth one day. But even then, their work will not be over. They will continue to serve as earthly messengers.

Gold-plated copper disks known as the golden records are attached to each ship. The 12-inch disks carry messages. They are designed to work like a time capsule. The disks contain pictures and music. They also have recordings of greetings from Earth in 55 languages.

The disks were mad when the Voyagers launched. The work like old phonograph records. In 1977, CD’s were a thing of the future. If the golden records are found one day, CD’s too, will likely be a thing of the long-distant past. See more on the Voyager.

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We do not know exactly where the solar system ends. The edge is about 12 billion miles from the sun. That is more than twice the distance from the sun to Pluto.

So , scientist always knew there would be a lot of flying to do before the little ships left the solar system. But the ships are getting close. Voyager 1 is about 11 billion miles away from the sun. Voyager 2 is about 9 billion miles away from the sun. Since we have traveled a billion miles every 3 years, it should be soon that we reach the end of the solar system.

How have the ships gone so far? It is because of their tiny nuclear power plants. They were built to keep the ships going for about 50 years. Power is expected to last until the year 2025.

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