Latvian

Noun

kosmiskais ātrums m (1st declension)

1. (astrophysics) escape velocity (minimum speed at which a moving body no longer falls down in a gravitational field (especially the Earth's))

   pirmais kosmiskais ātrums‎ ― first escape velocity (minimum speed at which a body can move around the Earth in a stable orbit)

   otrais kosmiskais ātrums‎ ― second escape velocity (minimum speed at which a body completely overcomes the Earth's gravity and starts moving away from it)

   'trešais kosmiskais ātrums‎ ― third escape velocity (minimum speed at which a body can fly away from the Solar System)

Declension