circling
71circle — I. noun Usage: often attributive Etymology: Middle English cercle, from Anglo French, from Latin circulus, diminutive of circus circle, circus, from or akin to Greek krikos, kirkos ring; akin to Old English hring ring more at ring Date: 14th… …
72Gymnastics — This article is about the general sport. For a specific form of gymnastics, see Gymnastics (disambiguation). Gymnastics is a sport involving performance of exercises requiring physical strength, flexibility, agility, coordination, and balance.… …
73Mercury (planet) — Mercury  ☿ …
74Terrestrial planet — The terrestrial planets Mercury, Venus, Earth, and Mars, and dwarf planet Ceres. Sizes to scale A terrestrial planet, telluric planet or rocky planet is a planet that is composed primarily of silicate rocks and/or …
75Aerobot — An aerobot is an aerial robot, usually used in the context of an unmanned space probeWhile work has been done since the 1960s on robot rovers to explore the Moon and other worlds in the Solar system, such machines have limitations. They tend to… …
76Tragedy — other uses redirect|Tragedian LiteratureTragedy ( gr. , tragōidia , goat song ) is a form of art based on human suffering that offers its audience pleasure. [Banham (1998, 1118). In his speculative work on the origins of Athenean tragedy, The… …
77Geocentric model — In astronomy, the geocentric model of the universe is the superseded theory that the Earth is the center of the universe and other objects go around it. Belief in this system was common in ancient Greece. It was embraced by both Aristotle and… …
78Maria Goeppert-Mayer — Born June 28, 1906(1906 06 28) Kattowitz, German Empire …
79Long-distance trails in the United States — The following is a partial list of long distance trails in the United States:* Allegheny Trail : A 330 mile trail, mostly in West Virginia, through the Appalachians/Allegheny Mountains from the Mason Dixon line to the Appalachian Trail in… …
80Timeline for the day of the September 11 attacks — The September 11, 2001 attacks, in addition to being a unique act of aggression, constituted a media event on a scale not seen since the advent of civilian global satellite links, round the clock television news organizations and the instant… …
