rocketstem.org
It’s a bird! It’s a plane! 
No…it’s a spaceplane!
Vocabulary • Latitude: The number of degrees north (or south) from the equator. • Orbital Altitude: The height above Mean Sea Level of an orbiting spacecraft. • Orbital Inclination: The angle that an orbit makes as it crosses the equator. Narrative Across the pond is an innovative rocket company that toils away in relative obscurity ...
S.T.E.M. for the Classroom