Hello Rittik, X, Y and Z represent the coordinates of a point so all of them are length quantity but each can have a different unit of length. On Wed, Feb 27, 2019 at 8:22 AM rittik verma via Boost < boost@lists.boost.org> wrote:

Hello,

I was reading through the competency test for boost astronomy and was struck by a question, should each coordinate has its own unit, for example, x - length, y - time, z-force? or just one unit for all coordinates?

Thank you

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-- Thank you, Ruchika Joshi