AstronautA person who travels in space
Definitions:
A trained individual who is part of a space probe mission
SpacecraftA vehicle for travel in space
Definitions:
A vehicle used for traveling in space
ChallengeA hard task or demanding situation
Definitions:
A situation of intense difficulty, complexity, or hard work
AdaptTo change or modify
Definitions:
To become adjusted to new conditions
PerseveranceContinuous effort to overcome difficulties
Definitions:
Persistent effort in spite of difficulties or obstacles