Question

Mas enquanto nosso instrumento era construído, eu acabei me envolvendo em cálculos do efeito estufa aqui na Terra, porque descobrimos que a composição de nossa atmosfera estava mudando.

Accepted Answer

But while our instrument was being built, I became involved in calculations of the greenhouse effect here on Earth, because we realized that our atmospheric composition was changing.

Front	Mas enquanto nosso instrumento era construído, eu acabei me envolvendo em cálculos do efeito estufa aqui na Terra, porque descobrimos que a composição de nossa atmosfera estava mudando.
Back	But while our instrument was being built, I became involved in calculations of the greenhouse effect here on Earth, because we realized that our atmospheric composition was changing.

Mas Enquanto Nosso Instrumento Era Construído Eu Acabei