Time is the fourth dimension of spacetime, and it does indeed exist.
Days exist away from the Earth. It's just that exoplanetary days have differing length, according to the local rotational period.
The past are the days that came before this one.
The future are those days that have yet to pass.
Days exist away from the Earth. It's just that exoplanetary days have differing length, according to the local rotational period.
The past are the days that came before this one.
The future are those days that have yet to pass.