Andy Weir — American Novelist born on June 16, 1972,

Andy Weir is an American novelist and software engineer known internationally for his debut novel The Martian, which was later adapted into a film of the same name directed by Ridley Scott in 2015... (wikipedia)

If you look up every last detail on your subject, you'll never finish.
There's nothing I would like more than to watch a manned Mars landing.
A story in your head isn't a story. It's just a daydream until you actually write it down. So write it down.
Computer programming is pretty much guaranteed income. I'm good at it, and I like it.
Don't tell your stories to anyone. You'll be more motivated knowing it's a prerequisite to having an audience.