Aero Linx: Naval Helicopter Association NHA was founded in 1976 and is incorporated in California as a 501(C)(7) nonprofit professional organization to promote the development and use of naval vertical lift aircraft in the United States Navy, Marine Corps and Coast Guard; provide a forum whereby persons in these organizations involved with vertical lift aircraft can interact with each other at meetings and conventions; to provide recognition to those persons who have made significant contributions to those purposes. In pursuing these objectives NHA keeps members informed of new developments and accomplishments in vertical lift aircraft.

Chandler Wobble A small motion in the Earth's rotation axis relative to the surface, discovered by American astronomer Seth Carlo Chandler in 1891. Its amplitude is about 0.7 arcseconds (about 15 meters on the surface) with a period of 433 days. It combines with another wobble with a period of one year, so the total polar motion varies with a period of about 7 years. The Chandler wobble is an example of free nutation for a spinning non-spherical object.

"The initial discoveries of the Kepler mission indicate at least a third of the stars have planets and the number of planets in our galaxy must number in the billions... The planets of greatest interest are other Earths and these could already be in the data awaiting analysis. Kepler's most exciting results are yet to come." Source: William Borucki, Kepler principal investigator at NASA's Ames Research Center in Moffett Field, CA. NASA is marking two milestones in the search for planets like Earth; the successful completion of the Kepler Space Telescope's 3 1/2- year prime mission and the beginning of an extended mission that could last as long as four years.