"An astronaut" is the correct form, not "a astronaut." "an" is used instead of "a" whenever the word it modifies begins with a vowel.
Singular = astronaut, singular possessive = astronaut's. Plural = astronauts, plural possessive = astronauts'.
The astronaut's mass is the same on the moon but the gravitational force applied on the astronaut is weaker thus the astronaut appears to weigh less.
The astronaut's inertia is MORE on the moon.
An astronaut is a commander, pilot, or a crew member of a spacecraft. In Russia an astronaut is known as a cosmonaut.
No, it does not need to be.
YOU NEED GCSEs
You have to clear the exams required to become an astronauts.
To do this you need a university degree in an related field and join the military as an officer and enter the astronaut corps.
15 years
Tooth paste.
astronaut
You need more than eye power to become an astronaut. You need to have engineering and science skills as well. You also need a high grade point average.
they need to train in lots of zero gravity and engineering
to become a astronaut you need a strong stomach. from what i learned.
Because astronaut helmets are just so darn expensive.
An astronaut landing on Pluto would need to wear a spacesuit that is not much different from those used now for spacewalks in orbit of Earth.