orbital plane :
- n (astronomy) the plane on which a body is orbiting
News & Articles
- Weird Out of Whack Exoplanetary System Discovered
Scientists have found the first multi-planet system that is tilted out of alignment with the host star. The star, known as Kepler-56, is about 45 degrees out of alignment from the orbital plane of a pair of planets.
Oct. 17, 2013 - SPACE.com