The recent announcement for a position as Planetary Protection Officer with NASA has generated a lot of interest among academics and the general public.
It has also caught the attention of one self-proclaimed "Guardian of the Galaxy", Jack Davis from New Jersey in the United States, who has sent his application to the organisation.
The inspired nine-year-old says he is particularly suited to the role as his sister already thinks he is an alien.
In return, he received a letter from NASA's Plan…
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