An astronaut is a commander, pilot, or a crew member of a spacecraft. In Russia an astronaut is known as a cosmonaut.
About any sentence that you can make like: " the astronaut works for Nasa." Notice the "the" at the start? That is the mostly used word for "astronaut".
I can give you a sentence using the word galaxy.
The astronaut called for help.I wanted to be an astronaut when I was a kid."The alien said he's something called an 'astronaut', but then changed his story to say he is a 'human', sir," Zorkhas explained to his starfleet commander.
The word astronaut is a noun, a word for a profession of people. The word astronaut is singular, common, abstract noun.
A ball on a string is an example of centripetal acceleration
No, the word astronaut is not capitalized in that sentence.
About any sentence that you can make like: " the astronaut works for Nasa." Notice the "the" at the start? That is the mostly used word for "astronaut".
Space-based exploration and study is the primary role of an astronaut. A space traveler who is not primarily an astronaut is called a mission specialist.
I am not writing a sentence using that word.
I can give you a sentence using the word galaxy.
The astronaut floated weightlessly in the spacecraft, looking down at the Earth below.
a sentence using the word endotracheal
This is a sentence using the word aviator.
I am saying a sentence using the word collagen.
This is a sentence using the word monomer. :P
this is a sentence using the word armchair.
Astronomical: He wants to be an astronomical astronaut when he grows up.