irregular motion
121Rings of Neptune — The scheme of Neptune s ring moon system. Solid lines denote rings; dashed lines denote orbits of moons. The rings of Neptune consist primarily of five principal rings predicted in 1984 by André Brahic and imaged in 1989 by the Voyager 2… …
122The Idler (1758–1760) — This article is about the 18th century series of essays. For other publications called The Idler, see The Idler (disambiguation). The Idler was a series of 103 essays, all but twelve of them by Samuel Johnson, published in the London weekly the… …
123Saturn — /sat euhrn/, n. 1. an ancient Roman god of agriculture, the consort of Ops, believed to have ruled the earth during an age of happiness and virtue, identified with the Greek god Cronus. 2. Astron. the planet sixth in order from the sun, having an …
124sun — sunlike, adj. /sun/, n., v., sunned, sunning. n. 1. (often cap.) the star that is the central body of the solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93… …
125Uranus — /yoor euh neuhs, yoo ray /, n. 1. Astron. the planet seventh in order from the sun, having an equatorial diameter of 32,600 miles (56,460 km), a mean distance from the sun of 1,784 million miles (2,871 million km), a period of revolution of 84.07 …
126Poetry — This article is about the art form. For other uses, see Poetry (disambiguation). Literature Major forms Novel · Poem · Drama Short story · Novella …
127Continuous and progressive aspects — The continuous and progressive aspects (abbreviated cont and prog) are grammatical aspects that express incomplete action in progress at a specific time: they are non habitual, imperfective aspects. It is a verb category with two principal… …
128star cluster — Astron. a number of stars of common origin held together as a group by gravitational attraction. Cf. globular cluster, open cluster, stellar association. * * * ▪ astronomy Introduction either of two general types of stellar assemblages held… …
