"Space Man" is a song by British singer-songwriter Sam Ryder, released as a single on 22 February 2024 through Parlophone Records.
"Spaceman" is a more colloquial term that can refer to astronauts or to anyone who travels in space, including cosmonauts (from Russia) and taikonauts (from China). In general, "astronaut" is the more formal and widely recognized term, while "spaceman" is more informal and can be used in a broader sense.