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Topic: List of asteroid types


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In the News (Sat 19 Dec 09)

  
  Learn more about Asteroid in the online encyclopedia.   (Site not responding. Last check: 2007-10-12)
The vast majority of the asteroids are within the asteroid belt, with elliptical orbits between that of Mars and Jupiter.
A large group of asteroids have orbits between the orbits of Mars and Jupiter, roughly 2 to 4 AU, in a region known as the Main belt.
Asteroids are classified into spectral types by their optical spectrum, which corresponds to the composition of the asteroid's surface material.
www.onlineencyclopedia.org /a/as/asteroid.html   (1312 words)

  
 Asteroid Encyclopedia Articles @ LaunchBase.net (Launch Base)   (Site not responding. Last check: 2007-10-12)
Stories of asteroid mining became more and more numerous since the late 1940s, with the next logical step being depictions of a society on terraformed asteroids —in some cases dug under the surface, in others having dome colonies and in still others provided with an atmosphere which is kept in place by an artificial gravity.
Moreover, depictions of the Asteroid Belt as The New Frontier clearly draw (sometimes explicitly) on the considerable literature of the Nineteenth-Century Frontier and the Wild West.
And since (in nearly all stories) the asteroids are completely lifeless until the arrival of the humans, it is a New Frontier completely free of the moral taint of the brutal dispossession of the Native Americans in the original.
www.launchbase.net /encyclopedia/Asteroid   (2493 words)

  
 Encyclopedia :: encyclopedia : Asteroid   (Site not responding. Last check: 2007-10-12)
Asteroids are commonly classified into groups based on the characteristics of their orbits and on the details of the spectrum of sunlight they reflect.
The first asteroid to be left unnamed was (3360) 1981 VA. On rare occasions, an asteroid's provisional designation may become used as a name in itself: the still unnamed (15760) 1992 QB₁ gave its name to a group of asteroids which became known as cubewanos.
Asteroid naming is not always a free-for-all: there are some types of asteroid for which rules have developed about the sources of names.
www.hallencyclopedia.com /Asteroid   (3203 words)

  
 Asteroid - Facts, Information, and Encyclopedia Reference article
The Minor Planet Circular (MPC) of October 19, 2005 was a historical one, as it saw numbered asteroids jump from 99947 to 118161, causing a small "Y2k" like crisis for various automated data services —up until then, only five digits were allowed in most data formats for the asteroid number.
The first asteroid to be left unnamed was (3360) 1981 VA.
Professor Moriarty, Sherlock Holmes' arch-enemy, « is the celebrated author of "The Dynamics of an Asteroid", a book which ascends to such rarefied heights of pure mathematics that it is said that there was no man in the scientific press capable of criticizing it » (The Valley of Fear, 1914, set in 1888).
www.startsurfing.com /encyclopedia/a/s/t/Asteroid.html   (3366 words)

  
 Mutual UFO Network
Asteroid Could hit Earth in 2036 — Astronomers say that a 1,000-foot-diameter asteroid discovered last year has a slight possibility of hitting Earth in 2036.
Sound associated with the UFO is important, but its importance varies with the types of animals present.
He said he is an expert witness of this type of event because he was a paratrooper and was a civil service employee at a military base.
mufon.com /casearchive.htm   (10463 words)

  
 Science/Astronomy - Links4US   (Site not responding. Last check: 2007-10-12)
Magazine-style article written by NASA on the explanation for gamma-ray bursts surrounding 'hypernova' type supernovae.
Encyclopedia article covers history, groups of asteroids, spectral types.
Encyclopedia article covers collision danger, spacecraft access, efforts to catalog NEOs, classifications, impact hazard scales.
links4us.com /directory/621_Science/624_Astronomy/p_97   (579 words)

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