They call themselves “The Martians.” Not because they are from outer space. Not because they are astronauts, or former astronauts, or even astrophysicists.
True, some of them may have a background in physics, chemistry or other sciences, but that has nothing to do with how they named themselves.
Nope, they are just a bunch of guys who enjoy getting together once a week and have been doing so without fail for 17 years…