Know why Gold-Plating is used in Artificial Satellites
Know why Gold-Plating is used in Artificial Satellites
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Sputnik-1 is the first artificial satellite, it was sent by the Soviet Union into the Earth's orbit on October 4, 1957. Since then, thousands of artificial satellites have been sent into space. Do you know what the gold layer is mounted on the satellite for? You must be surprised to know this, but there is a very special reason behind it. 

You may not know, but any satellite sent to space is wrapped in the gold layer. It is called multi-layer insulation. It is very light but very strong. A thick layer is made by mixing thin and thin surfaces, which is called 'gold-plating' in common language and multi-layer insulation in scientific language. It is necessary to use the gold layer in the satellite, which has to be sent far into space. According to scientists, gold prevents the variability, conductivity and corrosion resistance of the satellite. Apart from this, the layer of other metals in it helps to prevent harmful infrared radiation and thermal radiation. According to scientists, if the satellite is not covered by a layer made of gold and other metals, then the dangerous radiation of space will destroy the satellite in a moment. Now, because many types of fragile devices are also installed in the satellite, this layer protects against any object hitting the satellite.

Even the spacesuit of astronauts uses a layer made of gold and other metals. In the Apollo Lunar module, NASA also used gold to make the satellite. Apart from this, a similar layer of gold was climbed in one part of Chandrayaan.

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