What does HGI stand for?
HGI stands for "Heliographic Inertial Coordinate System"
How to abbreviate "Heliographic Inertial Coordinate System"?
"Heliographic Inertial Coordinate System" can be abbreviated as HGI
What is the meaning of HGI abbreviation?
The meaning of HGI abbreviation is "Heliographic Inertial Coordinate System"
What does HGI mean?
HGI as abbreviation means "Heliographic Inertial Coordinate System"
