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Topic: Proxima Centauri

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	Proxima Centauri - Wikipedia, the free encyclopedia
		Proxima Centauri was discovered in 1915 by Robert Innes while he was Director of the Union Observatory in Johannesburg, South Africa.
		For this reason, Proxima is sometimes referred to as Alpha Centauri C. However, it is not clear if it really is in orbit, although the association is unlikely to be entirely accidental as it shares approximately the same motion through space as the larger star system.
		Proxima Centauri has been suggested as a logical first destination for interstellar travel, although as a flare star it would not be particularly hospitable.
	en.wikipedia.org /wiki/Proxima_Centauri (534 words)

	PROXIMA CENTAURI
		Proxima Centauri si trova a circa 4,22 anni luce dalla Terra (pari a 40.000 miliardi di chilometri), una distanza 270.000 volte maggiore di quella del Sole.
		Proxima Centauri fu scoperta nel 1915 da Robert Innes, mentre era direttore del Republic Observatory a Johannesburg, in Sudafrica.
		Proxima Centauri si trova a solo 13.000 unità astronomiche da Alpha Centauri, una distanza piccola su scala stellare, e potrebbe essere in orbita attorno ad essa, con un periodo dell'ordine dei 500.000 anni o superiore.
	www.24pm-affiliation.com /encyclopedia/P/Proxima_Centauri (247 words)

	Alpha Centauri - Wikipedia, the free encyclopedia
		Alpha and Beta Centauri are the second closest pair of first magnitude stars as seen from the Earth, and due to the effects of proper motion, they will become the closest pair in around 2166, overtaking Acrux and Becrux.
		It consists of two main stars, Alpha Centauri A and Alpha Centauri B (which form a binary star together) at a distance of 4.36 ly, and a dimmer red dwarf named Proxima Centauri at a distance of 4.22 ly.
		Proxima Centauri would be an inconspicuous 4.5 magnitude star, which considering it would only be a quarter of a light-year away shows just how dim Proxima really is.
	en.wikipedia.org /wiki/Alpha_Centauri (1764 words)

	proxima centauri (Site not responding. Last check: 2007-10-07)
		The red dwarf Proxima Centauri (also Alpha Centauri C), part of the Alpha Centauri star system, is the nearest star to Earth, other than the Sun.
		Proxima Centauri was discovered in 1915 by Robert Innes while he was Director of the Republic Observatory in Johannesburg, South Africa.
		Proxima Centauri has often been suggested as a logical first destination for interstellar travel.
	www.yourencyclopedia.net /Proxima_Centauri.html (351 words)

	How small are small stars really?
		Proxima Centauri is a very-low-mass star, in fact barely massive enough to burn hydrogen to helium in its interior.
		For objects with half the mass of Proxima Centauri or lighter, the matter is fully degenerate and their size does not depend on the mass.
		The measured angular diameter of Proxima Centauri is 1.02 +- 0.08 milliarcsec, or about the size of an astronaut on the surface of the Moon as seen from the Earth (or a head of a pin on the surface of the Earth, as seen from the International Space Station).
	www.eurekalert.org /pub_releases/2002-11/eso-hsa112902.php (1430 words)

	Proxima Centauri (Site not responding. Last check: 2007-10-07)
		Proxima Centauri is the nearest known star to the sun, at a distance of about 4.2 light years.
		Proxima is about one-tenth the mass of the sun, which accounts for its low surface temperature.
		Because it is so close Proxima has a large 'proper motion', moving against the multitudes of background stars by 3.85 arc seconds a year, enough to carry it the width of the full Moon in about 500 years.
	www.aao.gov.au /images/captions/uks038.html (273 words)

	Proxima Centauri (Gliese 551)
		Proxima Centauri is a dim red dwarf of spectral type M5.5Ve, 18,000 times fainter than the Sun (visual magnitude 11.01, absolute magnitude 15.45), discovered in 1915 by Robert Innes.
		It may be gravitationally bound to Alpha Centauri A and B, 0.29 light-years (13,000 AU) away, with an orbital period of 0.5 to 2 million years.
		According to this idea, Proxima is an independent member of a moving group that includes Alpha Cen A and B and a number of other nearby stars.
	www.daviddarling.info /encyclopedia/P/ProximaCen.html (312 words)

	Alpha Centauri 3 (Site not responding. Last check: 2007-10-07)
		Proxima Centauri (or Alpha Centauri C) is only 4.22 light-years (ly) away (14:29:42.95-62:40:46.14, ICRS 2000.0) but is too dim to be seen with the naked eye.
		Proxima (Alpha Centauri C) is a very cool and very dim, main sequence red dwarf (M5.5Ve) that appears to have only 12.3 percent of Sol's mass and 14.5 percent of its diameter (ESO press releases of 3/15/03 and 2/22/02; and Doyle and Butler, 1990, page 337).
		Proxima has been selected to be one of the Tier 1 target stars for NASA's Space Interferometry Mission (SIM) -- which is planned for launch as early as 2011 -- to detect a planet as small as three Earth-masses within two AUs of its host star.
	www.solstation.com /stars/alp-cent3.htm (2275 words)

	How big is Proxima Centauri? (Site not responding. Last check: 2007-10-07)
		Proxima Centauri is a dM5e star (dwarf M5 emission-line star) with a luminosity of 0.00006 times the sun that was discovered in 1913 when it was at that time 0.1 light years closer than Alpha Centauri.
		Proxima is located about 13,000 AUs from Alpha Cantauri A and B. The star is located roughly a fifth of a light-year from the AB binary pair and, if gravitationally bound to it, may have an orbital period of around half a million years.
		Proxima Centauri is nearer to Earth than the other two stars, by the rather large distance -- roughly 10,000 times the distance from Earth to the Sun.
	www.astronomycafe.net /qadir/ask/a11364.html (340 words)

	pr-22-02.html
		Proxima Centauri or lighter, the matter is fully degenerate and their size does not depend on the mass.
		Proxima Centauri and three other small stars, soon after the light beams from ANTU and MELIPAL, two of the 8.2-m VLT telescopes, were first brought together in the VLT Interferometric Laboratory at the top of the Paranal mountain, cf.
		Proxima Centauri is 1.02 ± 0.08 milliarcsec, or about the size of an astronaut on the surface of the Moon as seen from the Earth (or a head of a pin on the surface of the Earth, as seen from the International Space Station).
	www.eso.org /outreach/press-rel/pr-2002/pr-22-02.html (1733 words)

	Astronomical Society of Western Australia (Inc.)
		Proxima is a well known variable flare star and has been described by Robert Burnham in his Celestial Handbook as possibly one of the most active stars known of its type.
		According to Burnham, Proxima* Centauri has a diameter around 64,000 kilometres or about five times the size of the earth, hence it is a very small star when compared to the Sun.
		Chart B (17K) is a more detailed map of the immediate region of Proxima Centauri with a limiting magnitude of about 12.
	www.aswa.info /articles/proxima-centauri.html (919 words)

	SPACE.com -- Closest Known Star, Proxima Centauri, Measured, Theories Hold Up
		But Proxima Centauri is so small that astronomers have not been able to accurately measure it.
		In astronomical terms, the newly measured angular diameter of Proxima Centauri is 1.02 + 0.08 milliarcsec, or about the size of an astronaut on the surface of the Moon as seen from the Earth, astronomers said, or a head of a pin on the surface of the Earth, as seen from the International Space Station.
		Proxima Centauri is barely massive enough to produce thethermonuclear fusion that powers a star.
	www.space.com /scienceastronomy/proxima_centauri_021204.html (408 words)

	Proxima Centauri (Site not responding. Last check: 2007-10-07)
		In 2002 VLTI used optical interferometry to measure the diameter of Proxima Centauri as 1.02 ± milliarcsec.
		Proxima Centauri discovered in 1915 by Robert Innes while was Director of the Republic Observatory in South Africa.
		Proxima Centauri is about 13 000 astronomical units away from Alpha Centauri (this is about 2 Pm or 0.2 light years or about of the distance between Alpha Centauri and Sun) and may be in orbit about it with a period on order of 500 000 years or more.
	www.freeglossary.com /Proxima_Centauri (422 words)

	Proxima Centauri (Site not responding. Last check: 2007-10-07)
		The red dwarf star Proxima Centauri, part of the Alpha Centauri star system, is the nearest star to Earth, other than the Sun.
		Its closest neighbours are Alpha Centauri A and B (0.06 pc or 0.21 ly), the Sun, and Barnard's Star (2.01 pc or 6.55 ly).
		Proxima Centauri has often been suggested as a logical first destination for interstellar travel, although it is not an hospitable star system, because it is a flare star.
	proxima-centauri.en.exsugo.org (404 words)

	Proxima Centauri - Memory Alpha
		Proxima Centauri (meaning "the closest Centaur"), also known as Alpha Centauri C or Alpha Proxima is the nearest star to the Sol system with a distance of only 4.22 lightyears.
		It is a red dwarf main sequence star (spectral class M5V), orbiting the double star Alpha Centauri at a distance of approximately 13,000 AU.
		As of 2004 it has not been clarified, whether Alpha Centauri C is truly a member of the Alpha Centauri system or just passes it.
	www.memory-alpha.org /en/wiki/Proxima_Centauri (335 words)

	Proxima Lcd Projector (Site not responding. Last check: 2007-10-07)
		Proxima Centauri 1: The red dwarf star '''Proxima Centauri''', part of the Alpha Centauri star 4: li arcsecondarcsec measured by Hipparcos, Proxima Centauri is roughly 4.22 light year s from Ear 7: erometry to measure the angular diameter of Proxima Centauri as 1.02 ± 0.08 milliarcsec.
		Alpha Centauri 5: It is also, with Proxima Centauri, the closest star system to Eart 16: light-yearly, and a dimmer red dwarf named Proxima Centauri at a distance of 4.22 ly.
		Centaurus 37: a Centauri, which is a triple star to which Proxima Centauri is apparently gravitationally bound.
	www.witchware.com /File/12693-Proxima.Lcd.Projector.Html (628 words)

	Search Results for 'Proxima-Centauri' (Site not responding. Last check: 2007-10-07)
		Homeworld Stephen Furst as Vir Cotto in Babylon 5 Centauri Prime is the homeworld of the Centauri and throne of the once-expansive Centauri Republic.
		In 2260-61, the Centauri homeworld was used as a staging ground for Shadow ships and personnel, until, in late 2261, Emperor Mollari destroyed their base, an island in the southern hemisphere of the planet.
		Centauri may refer to: an astronomical object: the star system Alpha Centauri the star Beta Centauri, also known as Hadar the star Proxima Centauri a computer game called Alpha Centauri the fictional Centauri species, and related terms, in the TV program Babylon 5 a fictional character in the movie The Last StarfighterSee also: Centaurus (disambiguation)...
	www.worldhistory.com /wiki/P/Proxima-Centauri.htm (684 words)

	eSky: Proxima Centauri
		Strictly an outlying member of the Alpha Centauri system, rather than an independent star, Proxima is a faint and inoffensive red dwarf.
		The sky around faint Proxima Centauri is dominated by two stars: the yellow and orange dwarf stars that lie at the heart of the Alpha Centauri system.
		Though it is nearer to Earth than any other star, Proxima Centauri is a tiny star that shines with a feeble red light, and is quite invisble to the naked eye.
	www.glyphweb.com /esky/stars/proxima.html (208 words)

	Universe Today - X-Ray Portrait of Proxima Centauri
		Proxima Centauri has only 1/10th the mass of our own Sun, and the conversion of hydrogen to helium happens much more slowly.
		Chandra and XMM-Newton observations of the red dwarf star Proxima Centauri have shown that its surface is in a state of turmoil.
		X-rays from Proxima Centauri are consistent with a point-like source.
	www.universetoday.com /am/publish/xray_portrait_proxima.html?10112004 (398 words)

	Alpha Centauri
		Alpha Centauri C lies measurably closer to us than the other two: It is only 4.22 light-years away, and it is the nearest individual star to the Sun.
		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.
		Remarkably, Alpha Centauri A and B are even older than the Sun, they have an age of 5 to 6 billion years, therefore they pass this test with glamour, too.
	home.sunrise.ch /schatzer/Alpha-Centauri.html (1395 words)

	PROXIMA CENTAURI (Site not responding. Last check: 2007-10-07)
		Proxima Centauri (auch Î± Centauri C) ist der dem Sonnensystem nächstgelegene Stern, ein so genannter roter Zwerg.
		Proxima Centauri befindet sich etwa 13.000 AE von den beiden Sternen A und B des Doppelsternsystems Î± Centauri entfernt und könnte sich in einer Umlaufbahn um dieses mit einer Umlaufdauer in der Größenordnung von 500.000 Jahren befinden.
		Proxima Centauri wurde ob seiner geringen Entfernung oft als sinnvollstes erstes Ziel für interstellare Reisen vorgeschlagen.
	www.toonorama.com /encyclopedia/P/Proxima_Centauri (211 words)

	Proxima Centauri - Hutchinson encyclopedia article about Proxima Centauri
		It is a faint red dwarf, visible only with a telescope, and is a member of the Alpha Centauri triple-star system.
		It is called Proxima because it is about 0.1 light years closer to us than its two partners.
		This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.
	encyclopedia.farlex.com /Proxima%20Centauri (112 words)

	Space Today Online - Answers To Your Questions
		In fact, if you could look at the whole galaxy, the Sun and Proxima Centauri might even appear to be lost in the vast cloud of stars that make up the galaxy.
		Proxima Centauri is too dim to be seen from Earth with the naked eye.
		Proxima Centauri, the star nearest to Earth, is so far away it's only a pinpoint of light in the largest telescopes on Earth.
	www.spacetoday.org /Questions/ProximaCentauri.html (647 words)

	Proxima Centauri (Site not responding. Last check: 2007-10-07)
		Catégorie:Étoile Proxima Centauri (aussi parfois appelée Alpha Centauri C) est une naine rouge de magnitude apparente 11, qui comme son nom l'indique est située dans la constellation du Centaure.
		Proxima Centauri est seulement à 13 000 unités astronomiques du système Alpha Centauri, c'est-à-dire à environ 1/20 de la distance entre Alpha Centauri et le Soleil, et il est possible qu'elle soit en orbite autour de ce dernier avec une période d'environ 500 000 ans.
		Proxima Centauri fut découverte en 1915 par Robert Innes, alors qu'il était directeur de l'observatoire de Johannesbourg en Afrique du Sud.
	proxima-centauri.fr.exsugo.org (930 words)

	[Metal-Temple.com] Ancient - Proxima Centauri (Review) (Site not responding. Last check: 2007-10-07)
		Ancient is a band that doesn’t need introductions since they’ve been around for quite awhile and now their latest work is released "Proxima Centauri" an album that continuous Ancient’s tradition in their music and their previous albums.
		As I said above "Proxima Centauri" is an album that manages to maintain the style of music that Ancient played in their previous albums with some minor exceptions.
		A very good production accompanies “Proxima Centauri” though in some parts we get the normal panic of sounds, you know the part were you stop and think “What the fuck am I listening here!!!” but in other words the production rules.
	www.metal-temple.com /review.asp?id=234 (282 words)

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