Respuesta :
This excerpt is most likely to appear in the introduction part of a scientific text.
What is Introduction?
This refers to the beginning of a text which is used to show the overview of a text and its contents of it.
Hence, from the given excerpt, we can see that there is the narration of NASA and its achievements and its European equivalent which has been orbiting Mars and this is likely found in the introduction part.
Read more about introduction here:
https://brainly.com/question/25694589