Submitted by vaterp t3_z10idk in askscience
information-producer t1_ix9irqz wrote
Reply to comment by VT_Squire in How do astronomers share coordinates with each other? by vaterp
Yes, a full coordinate system specifies not only the location, but also the time of the equinox. This way, the location at any other time can be calculated. You can read about the precession of the equinoxes to learn more about this.
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