According to Kepler's laws of planetary motion, planetary orbits are in the shape of an ellipse with the Sun at one of the foci.
The Moon is the planetary body that orbits the Earth.
Johannes Kepler was the person who first showed that planetary orbits are ellipses. His work, published in 1609, is known as Kepler's first law of planetary motion.
They all obey Kepler's 3 laws of planetary motion.
The Cats's Eye Nebula is a perfect example of a planetary nebula. See related link for a pictorial.
Someone who studies planetary systems is called a planetary scientist
Mars is a planetary body.
Planetary Radio was created in 2002.
1 planetary
Planetary Confinement was created in 2005.
The Planetary Society was created in 1980.
Planetary Resources was created in 2010.
Planetary Invasion was created in 1984.
Planetary Unfolding was created in 1981.
How about a compound planetary gearset?
planetary has a root word and it is planet
According to Kepler's laws of planetary motion, planetary orbits are in the shape of an ellipse with the Sun at one of the foci.