I’ve learned about them in school, but I’ve never heard anyone say something is 8 decameters long or anything like that. I’m an American.
I’ve learned about them in school, but I’ve never heard anyone say something is 8 decameters long or anything like that. I’m an American.
Where do you live and what is your profession? I have heard anyone use megameter seriously.
My astrophysicist friend used them sometimes. I knew her in Texas. She’s moved around tho