What does ECA stand for?
ECA stands for "Earth-Crossing Asteroid"
How to abbreviate "Earth-Crossing Asteroid"?
"Earth-Crossing Asteroid" can be abbreviated as ECA
What is the meaning of ECA abbreviation?
The meaning of ECA abbreviation is "Earth-Crossing Asteroid"
What does ECA mean?
ECA as abbreviation means "Earth-Crossing Asteroid"