Overcriticalengineer

Overcriticalengineer t1_jc8akgj wrote

There is, but not in the way people would normally think. Usually, there’s two of each module made in case something happens. Take all of the spares, make an ISS on the ground.

Edit: I need to do some research if spares were made for the main modules. Kinda want to see how much of this would be possible for a full list. At the least, there’s a list of some spares that might be used.

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Overcriticalengineer t1_j3o8gev wrote

It’s also a satellite from almost forty years ago, versus a rocket stage launched in the past year. It also provided data for twenty years, instead of the fifteen minutes of utility that the rocket stage provided.

Edit: To add about the utility of the satellite: “That data helped shape the Montreal Protocol Agreement, an international agreement signed in 1987 by dozens of countries, that resulted in a dramatic decrease around the globe in the use of ozone-destroying chlorofluorocarbons (CFCs) – chemicals once commonly used in aerosol sprays, refrigeration and air conditioners.”

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