Space Simulator
1.0.9
space flight simulator

Apsis point on an orbit farthest away from the focus.
Apogee point on an orbit of the Moon or a satellite of the Earth farthest away from the Earth.
Attitude Orbital attitude refers to the orientation of an object in space.
Eccentricity the eccentricity of an orbit measures how much it deviates from a perfect circle. A circular orbit has eccentricity 0. An elliptical orbit has eccentricity between 0 and 1. Eccentricity greater than 1 indicates a hyperbolic orbit.
Periapsis point on an orbit closest to the focus.
Perigee point on an orbit of the Moon or a satellite closest to the Earth.
Stage one section of a rocket that is meant to separate from other parts of the rocket once its fuel is empty
Thrust the force exerted by the engines of a rocket