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	Alpha Centauri - Wikipedia, the free encyclopedia
		It and Beta Centauri (which is close to Alpha Centauri in angular distance as seen from the Earth, but is actually many light-years away) are the "Pointers" to the Southern Cross.
		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.
		The closest neighbours to the Alpha Centauri system are the Sun and Barnard's star (1.98 pc or 6.47 ly), which is also the next nearest star from Earth, at a distance of 5.96 ly.
	en.wikipedia.org /wiki/Alpha_Centauri (1390 words)

	Beta Centauri - Wikipedia, the free encyclopedia
		Beta Centauri (β Cen / β Centauri), also known as Hadar or Agena, is the second brightest star in the constellation Centaurus and the eleventh brightest star in the nighttime sky.
		Beta Centauri is a blue-white giant star that is approximately 525 light-years from the Solar system.
		In 1935 J.G. Voute identified Beta Centauri as a double star, giving it the identifier VOU 31.
	en.wikipedia.org /wiki/Hadar (231 words)

	ninemsn Encarta - Search Results - Alpha Centauri (Site not responding. Last check: 2007-10-03)
		To the unaided eye, Alpha Centauri appears as a single...
		Beta Centauri, second-brightest star in the southern constellation Centaurus, and the 11th-brightest star in the sky.
		The nearest star, Alpha Centauri, is about 260,000 times farther from the Earth than is the Sun.
	au.encarta.msn.com /Alpha_Centauri.html (92 words)

	Beta Centauri Weighs In by Ken Croswell
		Although little known to most stargazers in the northern hemisphere, Beta Centauri is the eleventh brightest star in the night.
		Beta Centauri's main star consists of two nearly identical blue giants that pulsate every few hours and orbit each other every 357 days.
		The new distance means Beta Centauri is about as far from Earth as Alpha, Beta, and Delta Crucis, the three bright blue stars in the Southern Cross.
	www.kencroswell.com /BetaCentauri.html (234 words)

	Canberra Astronomical Society - Southern Cross - May 1998
		Beta Centauri has been known since 1935 as a double star, discovered by Voute at the Lembang Observatory in Java.
		Beta Cen is not a nearby star, unlike Alpha Cen.
		Burnham, in his Celestial Handbook, remarks on the basis of the distance to Beta Cen being 490 ly that "the projected separation" is about 200 AU at 1.3" separation.
	msowww.anu.edu.au /cas/southerncross/sc_199805.html (2227 words)

	New Page 1 (Site not responding. Last check: 2007-10-03)
		It includes Alpha and Beta Centauri, which are both on the top ten list of brightest stars in the heavens.
		Alpha Centauri is the third brightest star and the closest star to the Sun at 4.3 light years away (Eastlick 1).
		Alpha and Beta Centauri point to the Southern Cross constellation and are consequently called ‘pointer stars.’ With the continuing orbital pattern, Alpha and Beta Centauri will appear as though they are a single star in roughly 4,000 years.
	www.svsu.edu /~elmeissn/centaur.htm (1131 words)

	Melbourne Planetarium: Crux-Centaurus Sky Tour (Site not responding. Last check: 2007-10-03)
		Beta Centauri, the other pointer, is a very hot star about 10,000 times brighter than the Sun.
		Globular clusters are among the oldest groups of stars in the galaxy and the stars in the cluster are probably about 13 billion years old.
		Omega Centauri is moving around the galaxy once every 100 million years so as you look at it, it is moving away from our region of space at a speed of over 200 kilometres per second.
	www.museum.vic.gov.au /Planetarium/constellations/crux2.html (457 words)

	Southern Cross Constellation, with pointers.
		Two bright stars, alpha and beta Centauri, are pointers to the head of the cross.
		Kappa Crucis, to the left (east) of beta Crucis is not a single star.
		Omega Centauri is marked although it is not a star, but the best globular cluster in the sky.
	nzphoto.tripod.com /astro/asoutherncross.htm (668 words)

	Centaurus (Site not responding. Last check: 2007-10-03)
		Centaurus contains the nearest star to the Sun, alpha Centauri, which is 4,3 light-years away from us: with its magnitude -0,3 it sets itself at the third place among the stars in order of brightness.
		Alpha Centauri is a double constituted by two yellow stars of magnitude 0,0 and 1,4, that orbit round each other with an 80-year period.
		A particular galaxy is NGC 5128, known as radio source Centaurus A. It is a big elliptical galaxy, cut by a band of dark dusts: it is probably the collision between an elliptical galaxy and a spiral.
	www.astrofilitrentini.it /mat/costell/cen_e.html (314 words)

	Last Starfighter Movie (Site not responding. Last check: 2007-10-03)
		Beta is stunned to see Alex, and after a small talk, Alex leaves and calls Centauri to come pick up Beta.
		Beta and Alex are hiding from the alien when Centauri appears, gets injured, and kills the alien.
		Centauri's injuries are more serious than thought, and they almost crash in the Starleague HQ hangers.
	www.firedragon.com /~cfleets/lsf/movie.htm (878 words)

	Lecture Notes for Day 18
		To the left of the Southern Cross is alpha and beta Centauri.
		Beta Centauri has a luminosity 1500 times that of the sun and a distance of 190 LY.
		The northern two of the brightest stars of Libra is beta Libra and is known in Arabic as Zubeneschamali, the northern claw.
	www.colorado.edu /APAS/APAS1010/lecture/day.18.html (927 words)

	Centaurus
		Beta Centauri (Hadar) is the tenth brightest star in the heavens, at 0.61 visual magnitude (which is actually the combined values of its two components).
		Beta Centauri is a difficult double because of the primary's brightness compared to the companion: 0.58, 3.95; PA 251º, separation 1.3".
		Gamma Centauri is a visual double of two nearly identical stars, with orbit of 84.5 years: 2.9, 2.9.
	www.dibonsmith.com /cen_con.htm (1147 words)

	Encyclopedia of Suns: Alpha Centauri A (Site not responding. Last check: 2007-10-03)
		From places where it is visible, Alpha Centauri is unmistakable -- it is the third brightest star in the whole sky, and forms a stunning naked-eye double star with the star Hadar, also known as Beta Centauri.
		Alpha Centauri is a relatively old star, thought to be slightly older than the Sun, and relatively rich in heavy elements.
		The Encyclopedia entry is for the largest and brightest, Alpha Centauri A. Alpha Centauri B, the closer companion, has about one-half the luminosity of the Sun (rather similar to Tau Ceti), and hence counts as a Sunlike star in the Encyclopedia.
	www.astronexus.com /scripts/eos/eos_star.php?IDType=HD&ID=128620 (444 words)

	Constellations
		Thus Rigel Kent, the closest star to the Sun, is better known as Alpha Centauri and Hadar becomes Beta Centauri, the two brightest stars in the constellation of the Centaur.
		It is important to remember that constellations are only patterns made up by observers on Earth, the patterns have no real significance and the individual stars within the same constellation are not necessarily close together, and frequently are not, as each constellation is like a wedge of space of infinite depth.
		Alpha Centauri as mentioned is 4.3 light years away, whilst it's companion in the sky, Beta Centauri is nearly 500 light years away.
	www.unisa.edu.au /planetarium/Info/constell.asp (677 words)

	SPACE.com -- The 10 Brightest Stars
		The two main stars are Alpha Centauri A and Alpha Centauri B. The tiniest star in the system is a red dwarf known as Alpha Centauri C. The Alpha Centauri system is a special one.
		Centauri A and B are remarkably Sun-like, with Centauri A being a near twin of the Sun (both are yellow G stars).
		In comparison to the Sun, Alpha Centauri A is 1.5 times as luminous and shines at magnitude -0.01 while Alpha Centauri B is half as luminous and shines at magnitude 1.3.
	www.space.com /scienceastronomy/brightest_stars_030715-3.html (510 words)

	Centauri Dreams
		And Centauri Dreams suspects that’s a primary problem: robotic missions don’t draw the public eye the way risky manned flights do, even if the scientific payback from the former is often immeasurably greater.
		Centauri Dreams is a review of research issues in deep space exploration, with an eye toward interstellar possibilities.
		To its right is Beta Centauri (not a part of the Alpha Centauri system), with Beta Crucis, one of the stars forming the Southern Cross, at far right.
	www.centauri-dreams.org (3864 words)

	Member Systems of the UCSS: Beta Centauri (Site not responding. Last check: 2007-10-03)
		The Beta Centauri system is composed of a cool, orange star orbited by two rocky planets, the second of which is barely inhabitable to humans.
		The system, which is located only about 23 AUs from Alpha Centauri, about 2 AU farther than the distance from Neptune to Sol, is only moderately populated, and well over 90% of its population is military.
		BCI (Champlain) is the location of the UCSS Yamamoto Orbital Naval Academy and Pausanias Station, the offices of UCSS Naval High Command (and the Grand Admiral's flagship, the Takari Sun, is usually in port).
	members.aol.com /Noctifer03/private/Abyss/Campaign/UCSS/systems/Betacent (112 words)

	Centaurus - The Centaur
		Among them the famous Alpha Centauri, which is the third star of the sky for brightness and above all the closest star to us.
		It is a double star, made up of a yellow and an orange component, well separable, even with a little ambitious telescope.
		Even the star Beta Centauri is very bright, shining of magnitude 0.61.
	www.geocities.com /CapeCanaveral/Hall/7537/costell/ceneng.html (251 words)

	SwissEduc: Stromboli Online - Popocatepetl (Site not responding. Last check: 2007-10-03)
		The brightest ones in the frame, Alpha and Beta Centauri are of particular interest.
		Alpha Centauri is the closest bright star to the sun at a distance of 4.3 lightyears.
		Beta Centauri, apparently almost as bright, is indeed very much further away, at 460 lightyears.
	www.swisseduc.ch /stromboli/others/popocatepetl/popo01-en.html (479 words)

	The Southern Cross and The Australian Flag (Site not responding. Last check: 2007-10-03)
		The two brightest stars in centaurus, 'Alpha' and 'Beta' Centauri, are known as 'The Pointers' because they point to the southern cross.....
		Alpha Centauri is the third brightest star in the sky and is a very important star because it is our nearest neighbouring star, only about 4.3 light years away.
		'Beta Centauri', the other pointer, is 360 light years away and fainter than 'Alpha Centauri'.
	www.martinsmithsnightsky.com.au /thesoutherncross.htm (470 words)

	Search Results for beta - Encyclopædia Britannica
		It is the second brightest star (after Alpha Centauri) in the southern constellation Centaurus and is...
		Any of three processes of radioactive disintegration in which a beta...
		Edible-leaf beet (Beta vulgaris, variety cicla), a variety of beet in...
	www.britannica.com /search?query=beta&submit=Find&source=MWTEXT (450 words)

	Unstable local stars? - Bad Astronomy and Universe Today Forum
		The guide tells me that alpha centauri is a (trinary?) system containing the closest star to sol, alpha proxima, and that this is a flare star, changing in magnitude rapidly over a relatively short period of time.
		I presume that red dwarfs are much lighter than yellow dwarfs, hence why their fusion doesn't go as strong, so perhaps it's just that red dwarfs are capable of chucking out more stuff than heavier stars, where the material might get pulled back in due to gravity.
		Beta Centauri is otherwise known as Hadar and sits 4° west of Alpha Centauri.
	www.bautforum.com /showthread.php?p=82089#post82089 (1181 words)

	Hadar (Site not responding. Last check: 2007-10-03)
		Visually, Alpha Centauri is notably brighter than Hadar, but only because (ignoring Proxima) it is the closest star to the Earth.
		At a distance of 335 light years, Hadar, a blue class B (B1) giant, is 77 times farther away, and is bright because it is truly luminous.
		One of the twins, perhaps both, is also a variable of the "Beta Cephei" type, the star subtlety chattering away with a period of less than 4 hours.
	www.astro.uiuc.edu /~kaler/sow/hadar.html (643 words)

	Hawaiian Astronomical Society Printable Object Descriptions - Centaurus
		Located 4.5° west of Mu Centauri, and the same distance north of Omega Centauri, Dreyer calls it a very remarkable object.
		Omega Centauri (NGC5139, Best 18, Bennett 61, and Caldwell 80) resembles a fuzzy star to the naked eye, but resolves into the premier globular cluster of the heavens in any sized telescope.
		It lies mid-way between Delta Crucis and Pi Centauri near the Eastern Crux border.
	www.hawastsoc.org /deepsky/cen/print.html (649 words)

	AGENA (Site not responding. Last check: 2007-10-03)
		Beta Centauri (proper name Hadar) is a blue-white super giant and in about 4,000 years, the proper motion of Alpha Centauri will carry it close enough to Beta Centauri that they will appear to be a magnificent double star.
		Since Beta Centauri is about 300 light years away, they will be an optical double.
		Now the two stars look like two eyes, the right one (Beta) distinctly blue.
	www.astro.wisc.edu /~dolan/constellations/hr/5267.html (127 words)

	Greg Buell's Inventor page
		Alpha and Beta Centauri are in the constellation "Centaurus", the Centaur.
		The two constellations are next to each other in the southern sky, with the front legs of the Centaur on one side of the Cross, and the back legs on the other side of it.
		Alpha is a multiple star system, consisting of two stars close to one another, and a third, called Proxima Centauri, orbiting that pair at a large distance.
	home.att.net /~inventor84 (256 words)

	Fan Fiction Inspired by Halo
		The Siege of Beta Centauri XVI (Prologue)
		The Siege of Beta Centauri XVI (Part I, Chapter III: The end of the struggle)
		The Siege of Beta Centauri XVI (Part II, Chapter II: Ambush in the fields)
	halosn.bungie.org /fanfic?author=Insomnia (248 words)

	Free Science Fiction Novel: THE EARTHBOUND SERIES. A Capsule History of Planet Floran
		Now the time came, and the Floran and her sisters were fully loaded with colonists and the equipment needed to build the colony.
		The ship had brought hydroponic agricultural equipment intended for the Centauri colony as well as ample seedstock, so the crew and colonists would likely not starve.
		Ethnically, Florans are a blend of the original Centauri mission settlers.
	www.virtualimprint.com /earthbound/history.htm (2815 words)

	:: NASA Quest > Archives :: (Site not responding. Last check: 2007-10-03)
		High and to the right in the window are the unmistakable pair, Alpha and Beta Centauri.
		You merely imagine a line extending from the bottom, long part of the cross and construct a perpendicular bisector cutting the line joining Alpha and Beta Centauri.
		It drifts up and to the right, through Alpha and Beta Centauri and up to the Southern Cross at the edge of my window.
	quest.arc.nasa.gov /antarctica/team/jim/flying_stars.html (903 words)

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