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Topic: Star system

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In the News (Tue 21 Nov 17)

  Star system - Wikipedia, the free encyclopedia
A star system or stellar system is a system comprised of a star or group of stars, with possibly planetary systems of smaller bodies (such as planets or asteroids), in close gravitational association.
A star system is generally different from a star cluster: the former is used to describe a system of one or a few stars, usually up to three, emphasizing the common gravitational influence among the system's constituent celestial bodies.
A star system with three stars is known as a triple star or a trinary star system.
en.wikipedia.org /wiki/Star_system   (311 words)

 Star system: Facts and details from Encyclopedia Topic   (Site not responding. Last check: 2007-11-06)
Alpha centauri (α cen / α centauri) is the brightest star system in the southern constellation of centaurus, and is the fourth brightest star...
Castor (α gem / α geminorum / alpha geminorum) is the second brightest star in the constellation gemini and one of the brightest stars in the nighttime...
Sirius (α cma / α canis majoris / alpha canis majoris) is the brightest star in the nighttime sky, with a visual apparent magnitude of −1.46....
www.absoluteastronomy.com /encyclopedia/s/st/star_system.htm   (832 words)

 Xerox Star - Wikipedia, the free encyclopedia
It was the first commercial system to incorporate various technologies that today have become commonplace in personal computers, including a bitmapped display, a windows-based graphical user interface, icons, folders, mouse, Ethernet networking, file servers, print servers and e-mail.
The eventual Star workstation hardware was known as a Dandelion, or Dlion, based on the "Wildflower" architecture paper by Butler Lampson.
The system was dubbed the Viewpoint 6085 and was released in 1985.
en.wikipedia.org /wiki/Xerox_Star   (2260 words)

 Virtual Eclipse - Science Fiction - Encyclopedia - S   (Site not responding. Last check: 2007-11-06)
Some colonists incorrectly use the term "solar system" instead of using the term "star system", however it is technically incorrect to refer to any star system except the one containing Earth as a solar system.
Starships, visiting these star systems, that try to use their own dropships to land on a planet without an inspection from the customs officials on the spacestation are usually breaking local laws.
A star system with two stars is known as a binary star system and one with three or more stars is called a multiple star system.
virtualeclipse.aboho.com /scifi/pedia/s.htm   (2493 words)

S.T.A.R. System is a unique component system with multiple color schemes available at no extra cost.
The S.T.A.R. System is finished with a polyester powder coating for maximum endurance and abrasion resistance.
The component railing and fencing system is well received by dealers who appreciate its simplicity and by consumers and builders who love the system's design flexibility.
www.starrail.com   (316 words)

 Still-Forming Solar System Will Have Planets Orbiting in Opposite Directions
Stars and planets, scientists believe, are formed when giant clouds of gas and dust collapse.
In the case of a young star some 500 light-years from Earth in the direction of the constellation Ophiuchus, Remijan and Hollis found the inner and outer parts of the disk rotating in opposite directions.
When the astronomers compared their new VLA measurements of the motion of SiO molecules close to the young star with earlier measurements of other molecules farther away from the protostar, they realized the two were orbiting the star in opposite directions.
www.nrao.edu /pr/2006/counterdisk   (601 words)

 Young Star Probably Ejected
The T Tauri system includes a "Northern" star, the famous star that gives its name to the class of young visible stars, and a "Southern" system of stars, all orbiting each other.
If a young star is ejected from the system in which it was born, it would be cut off from the supply of gas and dust it needs to gain more mass, and thus its development would be abruptly halted.
T Tauri, the "Northern" star in this system, is a famous variable star, discovered in October of 1852 by J.R. Hind, a London astronomer using a 7-inch diameter telescope.
www.nrao.edu /pr/2003/stareject   (652 words)

 Xerox Star Research
The original processor for Star had to be changed because of the complexity involved and the expenses needed to power it.
Star actually refers to the software that was to be used in conjunction of the machine developed by Xerox and not the machine itself, although it's easy to see the misunderstanding.
Alas, Star fell short on a number of expectations that led to the development of ViewPoint, Don Massaro's resignation and an increasing jealousy in the photocopier division of Xerox.
xeroxstar.tripod.com   (2709 words)

 STAR Program: A System of Technology to Achieve Results - Home Page
STAR's activities are funded by the federal Assistive Technology Act of 1998, as amended (P.L. STAR informs Minnesotans about issues of assistive technology, opens the door to assistive technology for the citizens of Minnesota through state and federal legislation, works with state agencies and builds/maintains community collaborative and communication efforts.
The Minnesota STAR Program and the Minnesota Department of Education are sponsoring a day for students 16 years and older to learn how to become active self advocates for their use of assistive technology in post secondary settings.
STAR is proud to announce that its proposed three-year assistive technology plan for Minnesota was approved in September by its federal funder, Rehabilitation Services Administration.
www.admin.state.mn.us /assistivetechnology   (583 words)

 Star Rated License Overview
The previous licensing system didn't offer enough information to parents about the quality of care their program was providing so North Carolina moved to the star rated license system in September 2000.
For example, under the previous system, a center that received an A license was meeting only minimum requirements but parents may have thought this was the highest rating.
Lastly, the star rated license acts as a roadmap for providers to follow as they strive to improve the quality of their care.
ncchildcare.dhhs.state.nc.us /parents/pr_sn2_ov_sr.asp   (439 words)

 Xerox Star
The system was designed for the casual user, and their personal workstations would be connected via Ethernet, sharing printers, and servers, etc. Star used a bitmapped screen, windows, a two-buttoned mouse and icons, which no other computer systems at that time had.
To simplify for the user, Star used generic commands, that is a small set of commands that could be applied to all data (Move, Copy, Open, Delete, Show, Properties and Same).
Star not only used default options, but it hid the other options, so the users do not have to worry about them.
www.thocp.net /hardware/xerox_star.htm   (1334 words)

 New Scientist Breaking News - ‘Star Wars world’ found in triple star system   (Site not responding. Last check: 2007-11-06)
After surveying only about 20 multiple stars with the 10-metre Keck I telescope in Hawaii, Konacki found signs of a planet in a triple star system called HD 188753.
A binary system of two slightly smaller stars circles the pair at an average distance of about 12 times the distance between the Earth and the Sun.
Although astronomers have found several planets in multiple star systems before, the stars were always fairly far apart.
www.newscientist.com /article.ns?id=dn7667&feedId=space_rss20   (696 words)

 STAR System   (Site not responding. Last check: 2007-11-06)
The next STAR training session will be held on Tuesday, May 16 at the State Comptroller’s training facility at the Southcliff Building, Room 2001.
A complete summary of changes between the old and new STAR System is provided for your information.
The STAR System is intended to be used as a research system only.
cpastar2.cpa.state.tx.us:8765   (579 words)

 Binary Stars   (Site not responding. Last check: 2007-11-06)
The binary nature of the system is deduced from the periodic doppler shifts of the wavelengths of lines seen in the spectrum, as the stars move through their orbits around the center of mass.
Eclipsing binaries are systems in which the orbital plane is oriented exactly edgewise to the plane of the sky so that the one star passes directly in front of the other, blocking out its light during the eclipse.
We estimate that roughly half of all stars in the sky are indeed members of binaries.
astrosun2.astro.cornell.edu /academics/courses/astro201/binstar.htm   (307 words)

 The Zeta Reticuli Star System
They are a pair of companion stars (two stars traveling together in the same direction at the same speed as a wide-binary system) located some 39.4 to 39.5 light-years distant.
oth Zeta 1 and Zeta 2 are solar, or Sun-like stars.
Those readers familiar with the star map developed by Marjorie Fish based upon information from the Barney and Betty Hill UFO abduction case, will recall that Tau Ceti was identified as one of the stars on that map.
www.ufoconspiracy.com /reports/zetareticuli_star_sys.htm   (1266 words)

 The Algol System
Additional evidence indicates that Algol is actually a triple star system, but two of the stars are very close together.
A blue spectral class B8 star with a diameter of 3 solar diameters and red-yellow spectral class K2 star of about 3.5 solar diameters are in very close orbit around each other (See the earlier discussion of spectral classes).
The blue star (because it is hotter) emits more light from each square centimeter of its surface than the yellow-red star, so the primary eclipses occur when the blue B8 star is occulted by the K2 star.
csep10.phys.utk.edu /astr162/lect/binaries/algol.html   (454 words)

 BBC NEWS | Science/Nature | Hubble detects 'oldest planet'
Then along came a binary star system consisting of a neutron star and a white dwarf.
Eventually, the neutron star was spinning a hundred times a second, and it became a pulsar - a flashing "lighthouse" of radio waves.
Over the next billion years or so, the neutron star left the crowded centre of the cluster to traverse its more sparsely populated outer reaches, and where its radio pulses were detected by telescopes on Earth.
news.bbc.co.uk /1/hi/sci/tech/3053165.stm   (515 words)

 Astronomers Discover Edge-on Protoplanetary Disk in Quadruple Star System
This binary system is only about two million years old, and is part of a small cluster of stars known as MBM 12, located 900 light-years from Earth.
In the new high-resolution images, one of the stars is revealed to be a pair of two closely orbiting stars.
By analyzing the infrared images of the edge-on disk and the quadruple star system, the research team can learn about both the physical properties of disks from which planets form, and the way in which stars are born in multiple star systems.
www.noao.edu /outreach/press/pr02/pr0201.html   (1015 words)

 Star Building Systems - Metal Building Systems   (Site not responding. Last check: 2007-11-06)
Star Building Systems, founded in 1927, is headquartered in Oklahoma City, OK with manufacturing plants in Lockeford, CA; Monticello, IA; and Elizabethton, TN.
Star’s 950 builders worldwide offer complete “turnkey” construction service on each of the more than 3,800 buildings Star manufactures each year.
Star Building Systems is proud of our mutually successful 19-year relationship with Wanta & Son, Inc. We encourage you to visit their site and see the features and information their site provides.
www.starbuildings.com   (316 words)

Individuals using this computer system without authority, or in excess of their authority, are subject to having all of their activities on this system monitored and recorded by system personnel.
In the course of monitoring individuals improperly using this system, or in the course of system maintenance, the activities of authorized users may also be monitored.
Anyone using this system expressly consents to such monitoring and is advised that if such monitoring reveals possible evidence of criminal activity, system personnel may provide the evidence of such monitoring to law enforcement officials.
star.wvu.edu   (310 words)

 SPACE.com -- Planet Found in Tight Binary Star System
The planet orbits 2 AU from the larger star in the Gamma Cephei system, while the secondary star is a mere 28-30 AU distant.
In previous discoveries of planets orbiting stars in binary systems, the stars were a hundred times farther apart than those of Gamma Cephei, Cochran said.
Researchers monitor minor shifts in the light's wavelengths that indicate a star is wobbling due to the tug of an orbiting planet.
www.space.com /scienceastronomy/binary_planet_021009.html   (588 words)

 Binary Star Simulation   (Site not responding. Last check: 2007-11-06)
A simplified derivation of the magnitude of the reflex motion of the star due to an orbiting planet can be found here.
The observed velocities of the two stars, and the Doppler shifted spectral lines (as seen against the combined continuum from the two stars) are also shown in the upper rightbox.
The spectral lines associated with each star are indicated and the unshifted line positions are also marked.
instruct1.cit.cornell.edu /courses/astro101/java/binary/binary.htm   (377 words)

 Binary Star Systems Versus Planetary System   (Site not responding. Last check: 2007-11-06)
The most common occurrence of stars appears to be as parts of binary (two-star) systems.
Although planets might still form in such binary systems by a similar mechanism as discussed before, it is an open question whether they would have stable orbits that would keep them bound in the system without running into the stars.
Thus, maybe the Solar System very nearly became a binary star system instead of a single star with planets.
csep10.phys.utk.edu /astr161/lect/solarsys/binary.html   (213 words)

 USATODAY.com - Triple sunset: planet discovered in 3-star system   (Site not responding. Last check: 2007-11-06)
The other two stars form a tightly bound pair, which is separated from the primary by approximately the Sun-Saturn distance.
Of all the planet-harboring stars known, this is the closest that a stellar companion has ever been found.
An animation of the system as seen from a hypothetical moon is available at http://pr.caltech.edu/media/trinary_sunset-low.mov.
www.usatoday.com /tech/science/space/2005-07-14-three-suns_x.htm   (842 words)

 VideoRay - Product Line of Inspection Class ROVs and Accessories
Desert Star systems are now available through VideoRay for $6000--(USD) by far the most affordable cost for a highly accurate positioning system in the marine industry.
Among low cost systems, Desert Star is unique in its ability to offer multiple modes, so the operator can switch between various operations without a change to the equipment.
Desert Star PILOT quickly scans the sea floor in search of evidence, followed by a sub-meter precision AquaMap survey once signs of evidence are located.
www.videoray.com /Products/desert_star.htm   (1093 words)

 Alpha Centauri
The cooler stars - those with spectral types M and late K - may not produce enough energy to sustain life, for instance they may not permit the existance of liquid water on their planets.
Alpha Centauri B is a K1 star, so it is hotter and brighter than most K stars, therefore it may pass this test or it may not.
What we know is that in a binary system the planets must not be too far away from a particular star, or else their orbits become unstable.
homepage.sunrise.ch /homepage/schatzer/Alpha-Centauri.html   (1395 words)

 SPACE.com -- Likely First Photo of Planet Beyond the Solar System
That possible planet has not been confirmed and could be a dim star in the background of the picture.
It orbits a failed star known as a brown dwarf, a very dim type of star -- its core does not support nuclear fusion -- that astronomers have for years hoped would make for good planet hunting.
But in contrast to how planets probably developed in our solar system, he does not think the planet was born out of the brown dwarf's disk.
www.space.com /scienceastronomy/planet_photo_040910.html   (860 words)

 APOD: February 19, 1997 - Mizar Binary Star   (Site not responding. Last check: 2007-11-06)
binary star system, each star of the pair follows an elliptical orbital path.
Mizar is the middle star in the handle of the Big Dipper and at a distance of 88 light years, was the first binary star system
But, the companions are too close to be directly observed as separate stars, even by the largest telescopes.
antwrp.gsfc.nasa.gov /apod/ap970219.html   (214 words)

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