second cosmic velocity

== English == === Etymology === From second +‎ cosmic +‎ velocity, from being the next threshold velocity greater than the first cosmic velocity. === Proper noun === second cosmic velocity Escape velocity of Earth (interplanetary speed). === Noun === second cosmic velocity (plural second cosmic velocities) (by extension) Escape velocity of the home body. === Synonyms === second cosmic speed === Coordinate terms === first cosmic velocity / first cosmic speed third cosmic velocity / third cosmic speed === Further reading === Escape velocity on Wikipedia.Wikipedia