braking orbit
61Motorcycle stunt riding — Motorcycle stunt riding, sometimes referred to as simply stuntriding, is a motorcycle sport characterized by stunts involving acrobatic maneuvering of the motorcycle and sometimes the rider. Common maneuvers in stunt riding include wheelies,… …
62Stunters — are a controversial subculture of motorcycling. Stunters perform stunts such as wheelies, stoppies and burn outs on sportbikes, on public roads and in private venues. Some stunters have organized commercial teams.(The term stunters is also used… …
63MetNet — This article is about the atmospheric science mission to Mars. For the MnSCU network website, see Metnet (website). MetNet …
64Mars 2 — Orbiter Operator USSR Mission type Orbiter and lander Orbital insertion date November 27, 1971 …
65William B. Lenoir — Note: this is not the William Lenoir that the city of Lenoir, North Carolina and Lenoir County, North Carolina is named after. See William Lenoir. Infobox Astronaut name =William Benjamin Bill Lenoir type =NASA Astronaut status =Retired… …
66electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …
67x-ray — /eks ray /, n. Also, x ray, X ray. 1. Physics. a. Often, x rays. a form of electromagnetic radiation, similar to light but of shorter wavelength and capable of penetrating solids and of ionizing gases. b. such radiation having wavelengths in the… …
68Magnetorquer — In satellite systems, a magnetorquer or magnetic torquer is a system for attitude control, detumbling and stabilization built from electromagnetic coils. The magnetorquer develops a magnetic field which interfaces with an ambient magnetic field,… …
69Kinetic energy — The kinetic energy of an object is the extra energy which it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its current velocity . Having gained this energy during its acceleration …
70Leap second — A leap second is a one second adjustment that keeps broadcast standards for time of day close to mean solar time. Broadcast standards for civil time are based on Coordinated Universal Time (UTC), a time standard which is maintained using… …
