Daily Archives: August 18, 2008

Reference Datum of Earth

Posted on August 18, 2008 by

A reference datum is a known and constant surface which can be used to describe the location of unknown points. On Earth, the normal reference datum is sea level. On other planets, such as the Moon or Mars, the datum … Continue reading →

Posted in earth, map making, Remote Sensing 101, Solar System | 3 Comments