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	Alpha Ursae Majoris - Wikipedia, the free encyclopedia
		Alpha Ursae Majoris (α UMa / α Ursae Majoris) is the second-brightest star in the constellation of Ursa Major (despite its Bayer designation of "alpha").
		It forms part of the Plough (also known as the Big Dipper), and is the northern-most of the pointers, the two stars of Ursa Major which point towards the Pole Star.
		However, it is not part of the Ursa Major moving group.
	en.wikipedia.org /wiki/Dubhe (209 words)

	Beta Ursae Majoris - Wikipedia, the free encyclopedia
		Beta Ursae Majoris (β UMa / β Ursae Majoris) is a star in the constellation of Ursa Major.
		It is more familiar to northern hemisphere observers as one of the "pointer stars" in the Big Dipper, and a line connecting it with nearby Alpha Ursae Majoris (Dubhe) extends to Polaris, the north star.
		It is also one of the five stars in the Big Dipper asterism that form a part of a loose open cluster called the Ursa Major moving group, sharing the same area of space and not just the same patch of sky by our perspective.
	en.wikipedia.org /wiki/Merak (247 words)

	What's Up - Deep Sky (June)
		Alpha Ursae Majoris (Duhbe) owes it's "alpha" designation not to preeminent brightness (as is usually the case in constellations), but to it's position as the first of the seven stars of the "big dipper".
		Gamma Ursae Majoris (Phecda) forms, with Beta, the bottom of the dipper's handle, and is a blue-white star very similar to Beta: 90 light years away, 75 times as bright as our sun, and also a true member of the dipper cluster.
		Zeta Ursae Majoris (Mizar) is one of the most famous and remarkable multiple stars in the sky, easily located as the middle star in the handle of the big dipper.
	www.sciencecenter.net /whatsup/06/umjstars.htm (2311 words)

	Berkeley Astronomer Untangles Wire
		Alpha Ursae Majoris is a bright yellow giant sitting at the lip of the Big Dipper, known since ancient times by the Arabic name Dubhe (DUBB ee).
		Only when they are part of a binary star system, as is alpha Ursae Majoris, can astronomers use the principles of mechanics to estimate their masses.
		Alpha Ursae Majoris was estimated before to be between four and five times as massive as the sun.
	www.spacedaily.com /news/wire-99h.html (1152 words)

	Les étoiles les plus brillantes (Site not responding. Last check: 2007-11-06)
		Alpha Canis Majoris Sirius 06 45 -16.7 227.2 -8.9 A1V -1.44 1.45 379.21 1.58 9 2.
		Psi Ursae Majoris 11 10 +44.5 165.8 +63.2 K1III 3.00 -0.27 22.21 0.68 147 174.
		Nu Ursae Majoris Alula Borealis 11 18 +33.1 190.7 +69.1 K3II 3.49 -2.07 7.74 0.79 420 282.
	atunivers.free.fr /stars.html (4639 words)

	Ursa Major (abbr. UMa, gen. Ursae Majoris)
		Ursa Major is a good starting point to find other stars and constellation in the sky.
		A line through the Pointers, Alpha UMa (Dubhe) and Beta UMa (Merak), leads to north to the pole star, Polaris, and south toward Regulus.
		Ursa Major is most famous for the Big Dipper (or Plough) asterism, made from the stars Alpha, Beta, Gamma, Delta, Epsilon, Zeta and Eta UMa.
	www.daviddarling.info /encyclopedia/U/UMa.html (230 words)

	Virtual Science Center
		One of the Bear's front paws is marked by the stars Iota Ursae Majoris and Kappa Ursae Majoris.
		One rear paw is marked by Lambda Ursae Majoris and Mu Ursae Majoris, and the other is marked by Nu Ursae Majoris and Xi Ursae Majoris.
		He grabbed the bear by her tail, whirled her around his head (thus stretching out her tail until it was very long) and slung her up into the sky.
	www.chabotspace.org /vsc/planetarium/thesky/constellationlore/ursamajor.asp?rw=yes (892 words)

	InfiniteDifursity: Ursa Major (Site not responding. Last check: 2007-11-06)
		Most of the familiar star systems of Ursa Major, which belong to the Ursa Major cluster, are home to dozens of species of rodent-people, such as the Mizarian mice and rats.
		On the other hand, Alpha Ursae Majoris, the home of the bear-people, is not part of the cluster, and has a separate history.
		Alpha is also known as Dubhe, from the Arabic word for bear, "dubb".
	www.io.com /~hmiller/furry/UrsaMajor.html (140 words)

	* Alpha Ursae Majoris - (Astronomy): Definition (Site not responding. Last check: 2007-11-06)
		Dubhe = Alpha Ursae Majoris Merak = Beta Ursae Majoris Phecda = Gamma Ursae Majoris Megrez = Delta Ursae Majoris Alioth = Epsilon Ursae Majoris Mizar =...
		Dubhe (Alpha Ursae Majoris) is a well-known, with a close 4.8m companion which orbits every 44...
		Dubhe is a relatively bright star with a magnitude of 2.
	en.mimi.hu /astronomy/alpha_ursae_majoris.html (102 words)

	Peoria Astronomical Society: Astronomy Formulas
		where M is the magnification Alpha is the apparent field Theta is the true field Apparent Field: the closest separation eye can see is 4', more practically 8-25', 1-2' for good eyes.
		The Zeta Ursae Majoris double (Mizar/Alcor) is 11.75'; Epsilon Lyrae is 3'.
		M = D/d where M is the magnification D is the diameter of the objective d is the exit pupil (5-6 mm is best; 7 mm not produce a sharp outer image) The scotopic (dark-adapted) aperture of the human pupil is typically 6 (theoretically 7, 5 if over age 50) mm.
	www.astronomical.org /astbook/form.html (1246 words)

	The Salopian Web - Constellations: Ursa Major
		M81 is one of the brightest galaxies in the sky at magnitude 7.
		According to Greek legend, Ursa Major represents Callisto, who was turned into a bear because of her love affair with Zeus.
		The constellation is low down n the sky in autumn night sky, so it was believed that hunters had injured the bear and its blood caused the trees to change the colour of their leaves to red.
	www.r-clarke.org.uk /constellations/ursa_major.htm (257 words)

	* Delta Ursae Majoris - (Astronomy): Definition (Site not responding. Last check: 2007-11-06)
		Delta Ursae Majoris is named Megrez, from the Arabic meaning ‘root of the tail’...
		Now instead of moving north to the Pole Star, move across the top part of the dipper (a line from delta Ursae Majoris drawn through alpha Ursae Majoris) and continue straight into the southern portion of the skies...
		Megrez is a relatively dim star with a magnitude of 3.
	en.mimi.hu /astronomy/delta_ursae_majoris.html (143 words)

	Ground of Heaven
		Ursa Minor, the Little Bear, is not mentioned in Euphratean tablets, nor by Homer or Hesiod (800 BCE); there is evidence that it was originally a Phoeni-cian figure later adopted by the Greeks.
		Jupiter was at Alchiba (Alpha Corvi) at the harsh Nor'easter "Storm of the Century" December 11, 1992, and at the Aries ingress of 1993, presaging the great Mississippi flood as well as storms and floods in China, Bangladesh, India and Indonesia.
		The "lucida" or determinant star of the constellation is Al Rischa, alpha Piscium (29 Aries) the star in the knot of the cord and the easternmost in the constellation.
	pw1.netcom.com /~ye-stars/tmacons.htm (8855 words)

	MSN Encarta - Search Results - ursae
		Alioth, also known as Epsilon Ursae Majoris, brightest star in the constellation Ursa Major, the Great Bear.
		Alkaid, also known as Benetnasch and Eta Ursae Majoris, one of the seven bright stars of the well-known Big Dipper.
		Dubhe, also known as Alpha Ursae Majoris, second brightest star in the constellation Ursa Major, the Great Bear.
	encarta.msn.com /ursae.html (63 words)

	Alpha Ursae Majoris
		Dubhe forms the 'lip' of the dipper and in binoculars can be seen along with beta.
		The classic means of finding Polaris (and thereby the North Pole) is to draw a line from beta through alpha and continue it in the same direction.
		The other stars in strict alphabetical order which form the famous asterism are beta, gamma, delta, zeta, and eta.
	www.dibonsmith.com /uma_a.htm (196 words)

	Dubhe (Site not responding. Last check: 2007-11-06)
		Almost first magnitude, shining for us at the front of the bowl of the Big Dipper in Ursa Major, the Great Bear, Dubhe (the "h" silent, the final "e" pronounced almost any way you wish) leads the Dipper in its northeasterly climb above the horizon.
		Though not quite the brightest of its constellation, just two percent short of Alioth (the Eta star, third in from the handle), Dubhe received the Alpha designation when Bayer simply lettered the Dipper's stars from west to east, from Dubhe to Alkaid, the latter bringing up the end of the bear's tail.
		The Dipper's middle five stars are all moving together, while Dubhe and Alkaid are going in the other direction, the Dipper destined to fall apart over the next tens of thousands of years.
	www.astro.uiuc.edu /~kaler/sow/dubhe.html (463 words)

	Deepsky top 100: M81 & M82
		From Alpha, extend this line for a distance that is equal to the distance Gamma to Alpha.
		Both galaxies are members of the Ursa Major Galaxy Group, the second nearest galaxy group to our own local cluster, lying at a distance of 10 million light years.
		On photographs, M 81's size is 24' by 13', almost as big as the Moon, but through an amateur telescope only half of the size can be detected.
	www.backyard-astro.com /deepsky/top100/10.html (442 words)

	Encyclopedia of Suns: 47 Ursae Majoris (Site not responding. Last check: 2007-11-06)
		47 Ursae Majoris was one of the first Sunlike stars discovered to have another planet orbiting it (it, 70 Virginis, and 51 Pegasi were the first three discoveries).
		Instead of orbiting at a distance well under than 1 A.U., 47 Ursae Majoris orbits at an average distance of 2.08 A.U. If it were in the solar system, 47 Ursae Majoris B would be orbiting in the asteroid belt between Mars and Jupiter.
		47 Ursae Majoris closely resembles the Sun in age and metal content, and is marginally more luminous (similar to Alpha Centauri A or Beta Comae Berenices).
	www.astronexus.com /scripts/eos/eos_star.php?IDType=HD&ID=95128 (142 words)

	Bright Stars: Ursa Major
		This is another star chart of Ursa Major to help you recognize the constellation in the sky, but this time I added some greek letters next to some of the brightest stars so that we can attach the names to what you're seeing in the sky.
		I always find that my appreciation for the sky is enhanced when I know the names and a little bit about what I'm looking at--it gives me a feeling of familiarity and as a result the sky has become like an old friend.
		But this yellow giant star can be used to help us find 47 Ursae Majoris...to find out why 47 Ursae Majoris is so interesting and where to find it, see the Select Objects page.
	www.geocities.com /~smalltelescope/constellations/ursamajor/ursamaj2.html (910 words)

	Sapta Rishi - Great Bear - the astral divisor.
		And this bear's claw is the ancient sage's defining cleaver.
		Alkaid (Benetnash, Benetnasch, Elkeid): Chief Daughter of the Bier, Eta Ursæ Majoris.
		the Pleiades are thus Six-Fish (Aru-min), and Ursa major is the Seven-Fish (Elu-Min).
	www.geocities.com /sarabhanga/rishi.html (722 words)

	Star Names (Site not responding. Last check: 2007-11-06)
		Examples are Betelgeuse, the bright orange star in the constellation Orion, and Dubhe, the second-magnitude star at the edge of the Big Dipper's cup (Ursa Major).
		One is Polaris, the second-magnitude star at the end of the handle of the Little Dipper (Ursa Minor).
		An example of this is Dubhe as Alpha Ursae Majoris, with each star along the Big Dipper from the cup to handle having the next Greek letter.
	www.astro.washington.edu /larson/Astro101/labs/hrd/starname.html (316 words)

	Useful Formulas (Site not responding. Last check: 2007-11-06)
		Alpha Ursae Majoris (Dubhe) to Beta Ursae Majoris (Merak).
		Alpha Ursae Majoris (Dubhe) to Delta Ursae Majoris (Megrez) 10
		Alpha Ursae Majoris (Dubhe) to Eta Ursae Majoris (Alkaid).
	www.astro-tom.com /technical_data/useful_formulas.htm (1643 words)

	Learn more about List of brightest stars in the online encyclopedia. (Site not responding. Last check: 2007-11-06)
		Procyon (Alpha Canis Minoris) Class F8 main sequence
		Regulus (Alpha Leonis) Class B main sequence (?)
		Alioth (Epsilon Ursae Majoris) Class A main sequence
	www.onlineencyclopedia.org /l/li/list_of_brightest_stars.html (153 words)

	An Encyclopedia of Suns (Site not responding. Last check: 2007-11-06)
		Except for Xi Ursae Majoris, all the stars in the Encyclopedia are in the Hipparcos catalogue.
		Xi Ursae Majoris is only in the Gliese catalog, which gives an error of 13 milliarcseconds in its parallax, corresponding to a relative uncertainty of 13.5% in its distance.
		I have also always given a text description, if only a brief one, when the star is well known by something other than a catalog number.
	www.astronexus.com /eos/faq.php (720 words)

	Optical formulae (Site not responding. Last check: 2007-11-06)
		M = Alpha/Theta where M is the magnification Alpha is the apparent field Theta is the true field Apparent Field: the closest separation eye can see is 4', more practically=20 8-25', 1-2' for good eyes.
		M = F/f where M is the magnification F is the focal length of the objective f is the focal length of the ocular At prime focus (ground glass), magnification is 1x for each 25 mm of F
		20=B0 Alpha Ursae Majoris (Dubhe) to Eta Ursae Majoris (Alkaid).
	www.atmsite.org /contrib/Tasso/formulae (1892 words)

	archive: SETI [ASTRO] Astronomer Salvages 'Stellar' Science Fro
		>starquakes on the star, alpha Ursae Majoris, to the Astrophysical Journal.
		>Alpha Ursae Majoris is a bright yellow giant sitting at the lip of the Big
		>Ursae Majoris was estimated before to be between four and five
	seti.sentry.net /archive/public/1999/7-99/0174.html (1167 words)

	Other Planetary Systems
		We do not know for sure, but with the recent discoveries about 51 Pegasi, 70 Virginis and 47 Ursae Majoris the weight of evidence is now so strong that only a "devil's advocate" denies the conclusions.
		It is likely that more planetary systems will be discovered using the methods that found 51 Pegasi, 70 Virginis and 47 Ursae Majoris.
		But the 70 Virginis and 47 Ursae Majoris systems appear to be more "normal".
	www.nineplanets.org /other.html (1806 words)

	BBC News \| Sci/Tech \| Tiny telescope uncovers big secrets
		Dr Buzasi approached Nasa about using the telescope, which has a camera attached, and got permission to start recording data with the help of the scientists who worked on the WIRE satellite.
		Since then, he has been able to observe vibrations on the surface of Alpha Ursae Majoris, a bright yellow star in the constellation of the Great Bear.
		It is the first time anyone has observed so-called starquakes on a normal, cool star other than the Sun.
	news.bbc.co.uk /low/english/sci/tech/newsid_436000/436479.stm (475 words)

	The Saint Mary's University Times
		But we know a lot more than we did at the beginning of the Summer, thanks to an exciting probe into the galaxy this past July.
		Saint Mary's Dr. Guenther was one of a trio of astrophysicists who surprised the world with new data on alpha ursae Majoris - better known to backyard stargazers as the "pointer" star on the Big Dipper.
		Astronomers have long theorized that stars do not just twinkle.They oscillate in a pattern of surface movement which is chaotic - but has an underlying mathematical order.
	www.stmarys.ca /thetimes/sep/09-99-guenther.html (917 words)

	Complete Product List: Stars (Site not responding. Last check: 2007-11-06)
		Alula Australis (Xi Ursa Majoris) - Emotional Flexibility
		Cor Caroli (Alpha Canum Venaticorum) - Aetheric Cleanser
		Tania Australis (Mu Ursa Majoris) - Aetheric Movement
	www.pegasusproducts.com /list/stars.html (595 words)

	Starry Night Trivia quiz
		A few examples of these designations are Alpha Centauri, Gamma Crucis, Nu Draconis, Epsilon Hydrae and Delta Ursae Majoris.
		For example, the brightest star of the constellation Canis Minor became Alpha Canis Minoris, the 2nd-brightest Beta Canis Minoris, and so on.
		However, there are numerous examples which have been found where his designations are clearly out of order (resulting in some astronomers even accusing him of having faulty vision!), where the Greek letters weren't properly assigned, such as cases where the star assigned the letter alpha is clearly not the brightest.
	www.funtrivia.com /playquiz/quiz18134414c4208.html (915 words)

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