Noun
(uncountable) Flight into, from or through space.
(countable) A voyage in space.
Source: en.wiktionary.orgThe single simplest reason why human space flight is necessary is this, stated as plainly as possible: keeping all your breeding pairs in one place is a retarded way to run a species. Warren Ellis
Basically, most good science in space flight has to do with the behavior of the human body in space. That is where we are lacking info, and where info can only be obtained by flying in space. Charles Simonyi
Retain the vision for space exploration. If we turn our backs on the vision again, we're going to have to live in a secondary position in human space flight for the rest of the century. Buzz Aldrin
I am excited to think that the development of commercial capabilities to send humans into low Earth orbit will likely result in so many more Earthlings being able to experience the transformative power of space flight. Buzz Aldrin
What I'm trying to do is, is to make a significant difference in space flight. And help make space flight accessible to almost anyone. Elon Musk
Designing a station with artificial gravity would undoubtedly be a daunting task. Space agencies would have to re-examine many reliable technologies under the light of the new forces these tools would have to endure. Space flight would have to take several steps back before moving forward again. Andy Weir