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Topic: Strange star

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	'Strange' star
		Therefore, strange stars -- so called because they are believed to consist almost entirely of strange quarks -- are scientists' only chance to observe a sizable and stable "chunk" of quark matter.
		This stability led scientists to believe that stars made of neutrons, which measure about 20 kilometers in diameter, were the final stage in the evolution of a "massive" star (whose mass is at least 1.4 times greater than that of the sun).
		However, the theoretical strange stars would represent an even further stage in stellar evolution: according to Usov, when the core of a neutron star is sufficiently dense, neutron matter can be converted into quark matter.
	www.xs4all.nl /~carlkop/strange.html (838 words)

	Strange matter - Wikipedia, the free encyclopedia
		Strange matter is composed of strange quarks bound to each other directly, in a similar manner to how neutronium is composed of neutrons; a strange star is essentially a single gigantic nucleon.
		Some theories suggest that strange matter, unlike neutronium, may be stable outside of the intense pressure that produced it; if this is so, then small substellar pieces of strange stars (sometimes called "strangelets") may exist in space in a wide range of sizes all the way down to atomic scales.
		Strange matter is largely theoretical at this point, but observations by the Chandra X-ray Observatory in 2002 detected two candidate strange stars, designated RX J185635-3754 and 3C58, which had previously been thought to be neutron stars.
	en.wikipedia.org /wiki/Strange_matter (583 words)

	Strange matter (Site not responding. Last check: 2007-10-05)
		Strange matter is composed of strange quark s bound to each other directly, in a similar manner to how neutronium is composed of neutrons; a strange star is essentially a single gigantic nucleon.
		A strange star lies between neutron stars and fl hole s in terms of both mass and density, and if sufficient additional matter is added to a strange star it will collapse into a fl hole as well.
		Strange matter is largely theoretical at this point, but observations released by the Chandra X-ray Observatory on April 10 2002 detected two candidate strange stars, designated RXJ1856 and 3C58, which had previously been thought to be neutron stars.
	www.serebella.com /encyclopedia/article-Strange_matter.html (891 words)

	Strange Star Encyclopedia Article, Definition, History, Biography (Site not responding. Last check: 2007-10-05)
		Strange matter is composed of up quarks, down quarks and strange quarks bound to each other directly, in a similar manner to how neutronium is composed of neutrons; a strange star is essentially a single gigantic nucleon.
		Strange matter is one candidate for the theoretical dark matter that is a feature of several cosmological theories.
		Strange stars are largely theoretical at this point, but observations released by the Chandra X-Ray Observatory on April 10, 2002 detected two candidates, designated RX J185635-3754 and 3C58, which had previously been thought to be neutron stars.
	www.alienartifacts.com /encyclopedia/Strange_star (476 words)

	Strange star (Site not responding. Last check: 2007-10-05)
		The star then known as a "strange star" or "quark Strange matter is composed of strange quarks bound to each other directly in similar manner to how neutronium is composed neutrons; a strange star is essentially a gigantic nucleon.
		A strange star lies between neutron and fl holes in terms of both mass and and if sufficient additional matter is added a strange star it will collapse into fl hole as well.
		Strange stars are largely theoretical at this but observations released by the Chandra X-Ray Observatory on April 10 2002 detected two candidates designated RXJ1856 and which had previously been thought to be stars.
	www.freeglossary.com /Strange_star (631 words)

	Weizmann Institute Astrophysicist Hot On The Tracks Of A New 'Strange' Star
		Therefore, strange stars -- so called because they are believed to consist almost entirely of strange quarks -- are scientists' only chance to observe a sizable and stable "chunk" of quark matter.
		This stability led scientists to believe that stars made of neutrons, which measure about 20 kilometers in diameter, were the final stage in the evolution of a "massive" star (whose mass is at least 1.4 times greater than that of the sun).
		However, the theoretical strange stars would represent an even further stage in stellar evolution: according to Usov, when the core of a neutron star is sufficiently dense, neutron matter can be converted into quark matter.
	www.eurekalert.org /pub_releases/1998-01/WI-WIAH-120198.php (873 words)

	The Christmas Star
		Some star gazers suggest that if we move the birth of Jesus to the springtime of 6 B.C., we can attribute the star to the time the planets Mars, Jupiter, and Saturn were close together in the heavens.
		The wise men, themselves, were astrologers and studied the stars and planets and knew, according to Jewish rabbis, of the triangle and that it had appeared before the birth of Moses.
		Still, many people prefer to believe that the strange star did appear, and that it was simply a miracle and throughout the world today, the Christian holiday has usually begun with the appearance of the first star of Christmas Eve.
	www.nmia.com /~nmcm/xmas_star.htm (399 words)

	H O L O S C I E N C E - Philosopher's Corner
		A report in the journal Nature of 15 November proposes that a recently discovered star "is made of an exotic stuff called 'strange matter', never yet seen on Earth".
		X.-D. Li of Nanjing University, China, and colleagues' suggestion that J1808 is a strange star follows a small number of similar proposals for other astrophysical objects that emit bursts of X-rays.
		It is a manifestation of a periodic arc instead of a spinning star.
	www.holoscience.com /views/view_strange.htm (1679 words)

	Quark star -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-05)
		A strange star or quark star is a hypothetical type of ((astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior) star composed of (additional info and facts about strange matter) strange matter.
		This is an ultra-dense (additional info and facts about phase of matter) phase of matter that is theorized to form inside particularly massive (A star that has collapsed under its own gravity; it is composed of neutrons) neutron stars.
		A strange star lies between neutron stars and (A region of space resulting from the collapse of a star; extremely high gravitational field) fl holes in terms of both mass and density, and if sufficient additional matter is added to a strange star it will collapse into a fl hole as well.
	www.absoluteastronomy.com /encyclopedia/q/qu/quark_star.htm (221 words)

	Harvard Gazette: Quark stars signal unstable universe
		By examining X-rays coming from two strange stars, Jeremy Drake has concluded that matter in the universe is not as stable as it could be.
		When such stars use up their hydrogen fuel they explode into bright supernova, then their cores collapse into an extremely heavy ball of neutrons enveloped in a thin atmosphere containing iron and other debris from the explosion.
		Instead of originating from a small strange quark star, the energetic rays may emanate from a hot area on the surface of a neutron star.
	www.news.harvard.edu /gazette/2002/05.02/01-quarkstars.html (1274 words)

	Strange star (Site not responding. Last check: 2007-10-05)
		This is an ultra-dense phase of matter that is theorized to form inside particularly massive neutron star s.
		Strange Sex Circus Sugimoto is the star of a strange new Japanese circus attraction.
		Strange, Rick Posters Strange Case of Captain Ramper, The Posters Adventures of Bob & Doug McKenzie: Strange Brew, The Posters Star!
	www.serebella.com /encyclopedia/article-Strange_star.html (643 words)

	Quark-Matter Stars Said Found
		The canyon is 29 kilometers from rim to rim.
		A neutron star, bizarre and extreme as it is, consists mostly of a sea of neutrons, particles familiar to physicists on Earth.
		If so, an exploded strange star could litter space with tiny but massive shards called "quark nuggets" or "strangelets." These bits would have a disturbing quality: they might convert anything they touch into strange matter too, including any star or planet they happen to fall into.
	newton.uor.edu /FacultyFolder/tyler_nordgren/SP2002/article_576.htm (797 words)

	H.G. Wells : The Star
		And yet, when at last the watchers in the European States saw the star rise, an hour later it is true, but no larger than it had been the night before, there were still plenty awake to laugh at the master mathematician--to take the danger as if it had passed.
		So the star, with the wan moon in its wake, marched across the Pacific, trailed the thunderstorms like the hem of a robe, and the growing tidal wave that toiled behind it, frothing and eager, poured over island and island and swept them clear of men.
		So it was that presently, to the European watchers, star and sun rose close upon each other, drove headlong for a space and then slower, and at last came to rest, star and sun merged into one glare of flame at the zenith of the sky.
	www.classicreader.com /read.php/sid.6/bookid.176 (3843 words)

	The Star of Bethlehem - Probe Ministries
		This leads to a discussion of a different astronomical event that may be associated with the "new star" (a comet) recorded by the Chinese in 5 B.C. The Chinese would not have distinguished a comet from a nova since all they recorded was something new in the sky that was temporary.
		In this discussion, I have considered a nova, a comet, and a triple conjunction of the planets Jupiter and Saturn as the Star of Bethlehem between 7 and 4 B.C., and none have seemed to be satisfactory.
		Kanagy and Boa reveal that Kepler concluded that the star was not some astronomical event and was a light that appeared in the lower atmosphere and therefore was not visible to everyone.
	www.probe.org /docs/starbeth.html (2807 words)

	Project: What's Inside a Strange Star? \| What Are Astronomers Doing?
		As a star ages, the elements that compose it change in proportion.
		It turns out that there are a number of different fusion reactions that power a star, each with its particular byproducts.
		As a result of this, lithium builds up in a star, as an undesirable byproduct, until all the best fuel is used, at which point it becomes the fuel for further nuclear reactions.
	www.mcdonaldobservatory.org /research/projects/project.php?p_id=119 (461 words)

	The Star by H.G. Wells:
		Neptune it was, had been struck, fairly and squarely, by the strange planet from outer space and the heat of the concussion had incontinently turned two solid globes into one vast mass of incandescence.
		And when at last the great star rose near ten hours late, the sun rose close upon it, and in the centre of its white heart was a disc of fl.
		Star and earth had been at their nearest, had swung about one another, and the star had passed.
	www.online-literature.com /wellshg/17 (3873 words)

	Casting a Strange Glow
		Stars made entirely of naked quarks could give off a unique signal that we may soon be able to detect.
		But quark stars would be hard to distinguish from neutron stars, in part because the strange quark matter could be enveloped in a shell of normal matter.
		Two recent reports hinted at evidence for such strange stars based on analyses of their size or temperature [1], but a subsequent reappraisal indicated that neutron stars could have produced the signals [2].
	focus.aps.org /story/v10/st13 (628 words)

	ScienceNow - Fierce Flash, Strange Star (Site not responding. Last check: 2007-10-05)
		But both stars are still there, and astronomers have been at a loss to explain why they survived.
		To solve the mystery, astronomer Charles Alcock of the University of Pennsylvania in Philadelphia postulated more than a decade ago that the flaring stars were not ordinary neutron stars; Instead, they were hypothetical "strange stars," which are so tightly squeezed that the individual neutrons break apart into their components, called quarks.
		Because a strange star is held together by stronger forces than a neutron star is, it wouldn't tear itself apart.
	www.bric.postech.ac.kr /science/97now/01_7now/010718d.html (346 words)

	Astron. Astrophys. 344, 371-375 (1999) (Site not responding. Last check: 2007-10-05)
		As a strange star spins down, the nuclear matter in its crust contracts continuously into the quark core.
		It is found that deconfinement heating dramatically changes the thermal evolution of a strange star.
		For a strange star with a weaker magnetic field, the surface temperature is higher than that of a neutron star in the photon cooling era.
	aa.springer.de /bibs/9344001/2300371/small.htm (198 words)

	Star Trek Databas
		I Star Trek termer kan kvantpunkterna sägas agera som submikroskopiska naniter som kan utföra medicinska uppgifter i en levande organisms blodflöde, säger forskningschefen Mihri Ozkan vid University of California.
		Star Trek toppar återigen listan över "främsta kultserier"
		Forskare vid NASA och företaget March and Woodward samarbetar i ett projekt som kan utmynna i raketmotorer som liknar Star Treks impulsmotorer.
	www.startrekdb.se (1517 words)

	SPACE.com -- Strange Pulsing Star Puzzles Astronomers
		To explain the anomaly, the scientists presumed the radio waves were emitted from a cloud of particles flung from the neutron star at the time of the X-ray burst.
		Like their galactic cousins radio pulsars, magnetars are a type of spinning neutron star thought to result from the explosive death, or supernova, of a massive star.
		These spinning neutron stars emit a constant stream of electromagnetic particles from their magnetic poles.
	www.space.com /scienceastronomy/060828_mystery_monday.html (741 words)

	BBC NEWS \| Science/Nature \| Strange star puzzles astronomers
		Achernar, otherwise known as Alpha Eridani, is the 9th brightest star in the sky.
		It was observed by the European Southern Observatory's interferometer at the Paranal Observatory in Chile.
		Analysis of the interferometer data suggests the distinctly ovoid shape of the star is the result of its fast rotation - 225 kilometres per second; a centrifugal effect has caused it to flatten.
	news.bbc.co.uk /1/hi/sci/tech/2983298.stm (271 words)

	Universe Today - Winking Star Turns Out to Be a Binary System
		They think it could be a double star system with a disk of material surrounding it and rotating with a wobble.
		The vital clues to understanding the "winking star" were found in archival sky photographs from Harvard College Observatory, in Massachusetts, and Asiago Observatory, in Italy.
		The winking stars of KH 15D are likely to confound astronomers with these and other riddles for years to come.
	www.universetoday.com /am/publish/winking_star_binary.html?2622004 (1109 words)

	Pulsar may be strange star (February 2000) - Physics World - PhysicsWeb
		"Strange matter" is a hypothetical state of matter that consists of roughly equal numbers of up, down and strange quarks.
		Some physicists have even conjectured that strange matter is the absolute ground state of bulk matter, rather than iron-56, which is the most stable of all the nuclei.
		Several groups have calculated the properties of bulk strange matter and demonstrated that neutron stars might convert into strange stars of roughly the same size.
	physicsweb.org /article/world/13/2/7 (241 words)

	Star of Bethlehem Overview
		A strange star is claimed to have appeared at the birth of Jesus of Nazareth.
		For, if the stars were arranged to create a sign, that arrangement is as old as time.
		A Star which is part of the orderly natural universe is a Clockwork Star.
	www.bethlehemstar.net /overview/overview.htm (891 words)

	Creation of Star Fox (Site not responding. Last check: 2007-10-05)
		He had an idea that it would be called 'Star Something' but he wasn't sure of an animal to choose from.
		Yep, that idea was Star Wolf and they almost had their own game.
		Inari is represented by a fox and it was when Shigeru was walking past a statue of it in the park that he decided on his new character to the Nintendo family.
	www.expage.com /foxmccloudshomecreationofstarfox (214 words)

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