associated radius of convergence
31Thunderstorm — Electrical storm redirects here. For other uses, see Electrical storm (disambiguation). A typical thunderstorm A thunderstorm, also known as an electrical storm, a lightning storm, thundershower or simply a storm is a form of weather… …
32Cloud — For other uses, see Cloud (disambiguation). Cumulus cloudscape over Swifts Creek, Australia A cloud …
33Air France Flight 447 — F GZCP, the aircraft involved in the accident Accident summary Date 1 June 2009 …
34Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …
35Precession (astronomy) — In astronomy, precession refers to the movement of the rotational axis of a body, such as a planet, with respect to inertial space. In particular, it refers to the precession of the Earth s rotational axis, also called the precession of the… …
36Mercury (planet) — Mercury  ☿ …
37P-38 Lightning — infobox Aircraft name =P 38 Lightning type =Heavy fighter manufacturer =Lockheed caption = designer =Kelly Johnson first flight =27 January 1939 introduction = 1941 retired = 1949 primary user = United States Army Air Force more users = produced …
38Eye — For other uses, see Eye (disambiguation), Ocular (disambiguation), Ocular, and Oculus. For taxon specific articles, see human eye, simple eye in invertebrates, mollusc eye, and arthropod eye. Eye …
39Ellipse — Elliptical redirects here. For the exercise machine, see Elliptical trainer. This article is about the geometric figure. For other uses, see Ellipse (disambiguation). Not to be confused with ellipsis. An ellipse obtained as the intersection of a… …
40Extratropical cyclone — Part of the Nature series on Weather   Calendar seasons Spring · Summer Autumn  …
