The Significance of Gold to Space Travel

Gold is one of the most precious metals in the worldWithout this, the vehicle would absorb too much
and has always been a symbol of wealth and luxury.heat, making it difficult to operate. Gold sheets with
It has been in use for centuries for differentthickness of around 0.15 millimeters are used as a
purposes such as jewelery, gold coins, dentistry,radiation sheet as they effectively reflect the light of
biology and manufacturing. It fetches a high price inthe sun. Gold is also used as a lubricant between the
the market, and the rate of gold is an important partvarious mechanical parts of the spacecraft. If any
of the world's economy.other lubricant was used, it would not have
Gold has a number of characteristics that make it anwithstood the radiation in space and would have
extremely useful metal for many uses other thanvolatilized. Since gold is very malleable and ductile, it is
creation of beautiful jewelery. It is an excellenteasy to create very thin gold sheets that are used
electrical conductor and is very malleable and ductile.as lubricants between parts of metal.
Moreover, it has good resistance to corrosion andGold is also used in the helmets worn by astronauts.
has good thermal conductivity as well. All theseA very thin layer of gold is electroplated into the
characteristics make it essential for use in a numberinside of the visor which prevents harmful solar
of electronic products.radiation from entering and reflects it back. In this
The significance of gold in space travel cannot beway, it protects the vision of the astronauts.
denied. It is used in a number of ways in all spaceGold is significant in space travel and since space
crafts and it would not be wrong to say that withouttravel has increased over the years, so has the
the use of gold, man could not have visited thedemand for gold. It is used in almost all space vehicles
moon. When building a spacecraft, it is important todesigned by NASA which are worth billions of dollars.
note that once it has been launched in space, there isIn the construction of the popular US Columbia Space
minimum possibility of repair or lubrication. Thus, highlyShuttle, around forty eight kilogram's of gold was
dependable materials have to be used in theirused for objects such as reflectors, conductors and
manufacturing such as gold.in the brazing of alloys.
Gold is used in circuits that are fitted into theAlthough gold is an expensive element, its myriad
spacecrafts as it is an excellent conductor. Also,qualities make it vital in the use of space vehicles.
many parts of spacecrafts are fitted with goldHad it not been for gold, space travel might not have
coated polyester film that reflects infrared radiations,been such a successful mission as it is today.
and helps control the temperature inside the vehicle.