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Topic: Monoceros Ring

	Monoceros Ring - Wikipedia, the free encyclopedia
		Monoceros Ring is a proposed ring of stars around the Milky Way which consists of stars torn from the Canis Major Dwarf Galaxy as it merges with the Milky Way over the course of billions of years.
		The stream of stars was first discovered in the early 21st century by astronomers conducting the Sloan Digital Sky Survey.
		It was in the course of investigating this ring of stars, and a closely spaced group of globular clusters similar to those associated with the Sagittarius Dwarf Elliptical Galaxy, that the Canis Major Dwarf Galaxy was discovered.
	en.wikipedia.org /wiki/Monoceros_Ring (174 words)

	Milky Way Ring
		Previous studies of stellar rings around other galaxies suggest that a substantial portion of galaxies like the Milky Way are formed by a lot of smaller galaxies mixing together, according to SDSS team co-leader Heidi Jo Newberg.
		The polar ring of NGC 4650A is oriented perpendicular to its spiral disk due to the nature of its collision with another galaxy.
		In general, galactic rings are most often associated with galaxies that have central "bars" of stars (such as the one found in the Milky Way (now classified as a barred spiral galaxy) or other common non-axisymmetric perturbations such as ovals.
	www.solstation.com /x-objects/gal-ring.htm (1258 words)

	Paradoxes Resolved, Origins Illuminated - Ring around the Milky Way (Site not responding. Last check: 2007-10-16)
		Hidden from view behind stars and gas on the same visual plane as the Milky Way, this ring of stars is approximately 120,000 light years in diameter, says Heidi Newberg, associate professor of physics and astronomy at Rensselaer and a co-lead investigator on the project.
		The ring of stars is probably the largest of a series of similar structures being found around the galaxy.
		According to a similar article http://www.space.com/scienceastronomy/milkyway_ring_030106.html the stars in this 'ring' consists mainly of 'old' stars which are usually reddish is colour.
	www.metaresearch.org /msgboard/topic.asp?TOPIC_ID=146 (552 words)

	A giant stellar structure that surrounds the Milky Way
		Despite it's size, the ring hasn't been clearly seen before since the stars are spread around the whole sky, and are far fewer in number than the tens of billions of stars making up the rest of the galaxy.
		From this vantage point the nearest edge of the ring is about 30000 light years away, in the direction of the constellation of Monoceros, directly away from the Galactic Centre.
		Monoceros - "The Unicorn" or the "One Horned"
	www.physics.usyd.edu.au /~gfl/Ring/PressRelease.html (716 words)

	Info: Stern-Ring um die Milchstraße
		In the Monoceros patch observed by the SDSS team, the ring appears to extend over 5 kpc above and below the galactic plane, with stars below the plane extending about 2 kpc further from galactic center than those located above the plane; it also appear to be somewhat less than 4 kpc wide.
		In the patch observed by the ING team, however, the ring appears to have a lower scale height of around 750 pc with a width around 2 kpc.
		has a "polar ring" that is believed to be the result of a collision with another galaxy perpendicular to its disk.
	hera.ph1.uni-koeln.de /~heintzma/k_ex/RingMWG.htm (1772 words)

	Canberra Astronomical Society - Southern Cross - February 2002
		Monoceros is a constellation easily over-looked because it lacks first-magnitude stars, and the brightly conspicuous Orion and Canis Major are adjacent and distract the eye.
		The Milky Way runs through Monoceros, and provides plentiful rewards for the amateur observer, with a miscellany of open clusters, some galactic nebulae (including the Rosette), and some fine double stars, the best being the brilliant triple Beta Monocerotis.
		Monoceros is starved of bright galaxies - masochists and the C14 club might like to attempt NGC 2377 (0724.9, -0940).
	msowww.anu.edu.au /cas/southerncross/sc_200202.html (5113 words)

	Distance Measurement Solves Astrophysical Mysteries
		The pulsar, called PSR B0656+14, is in the constellation Gemini, and appears to be near the center of a circular supernova remnant that straddles Gemini and its neighboring constellation, Monoceros, and is thus called the Monogem Ring.
		Since pulsars are superdense, spinning neutron stars left over when a massive star explodes as a supernova, it was logical to assume that the Monogem Ring, the shell of debris from a supernova explosion, was the remnant of the blast that created the pulsar.
		However, astronomers using indirect methods of determining the distance to the pulsar had concluded that it was nearly 2500 light-years from Earth.
	www.nrao.edu /pr/2003/monogem (721 words)

	Science News - Ring Of Stars Found Circling the Milky Way
		This ring around the Milky Way Galaxy discovered by the Sloan Digital Sky Survey may be what's left of a collision between our Galaxy and a smaller, dwarf galaxy that occurred billions of years ago.
		Hidden from view because it is behind the stars and gas on the same visual plane as the Milky Way, this ring around the Milky Way could help to explain how the Galaxy was assembled 10 billion years ago.
		At the outer edge of the Galaxy in the direction of the constellation Monoceros (the Unicorn) they found tens of thousands of stars that were not expected given standard Galaxy models.
	www.timstouse.com /ScienceNews/ringofstars.htm (712 words)

	Distant Space Objects
		The Ring Nebula M57 in Lyra the Harp.
		This is the remnant of an exploded star (seen at the center) some 2 to 5 thousand light years away.
		Sea Gull Nebula in Monoceros the Unicorn Constellation.
	www.viewfromearth.com /wst_page5.html (811 words)

	.: Corvallis Gazette-Times :. Archives
		Monoceros is a neighbor to the prominent constellation of Orion and it marks the direction of some lovely sights to see during our holiday season.
		One of Monoceros' most attractive targets also fits nicely with the holiday theme.
		In addition to its ring system, Saturn is orbited by an abundance of moons.
	www.gazettetimes.com /articles/2004/12/22/lifestyles/columnists/col03.txt (527 words)

	European astronomers discover planet formation around dying star (Site not responding. Last check: 2007-10-16)
		Young stars are frequently surrounded by a flattened ring of gas and particles left over from the star formation process.
		The particular form and composition of the silicate, crystalline olivine, occurs on the Earth and in comets, which are the remnants of abortive planet formation.
		The olivine is of the same type as that found in the rings round young new-born stars, on the Earth and in comets.
	www.iso.vilspa.esa.es /outreach/esa_pr/in9805.htm (509 words)

	Monoceros
		Flanked by Orion and Canis Minor, with Gemini above and Canis Major below, the faint constellation Monoceros ("the Unicorn") is often overlooked.
		Instead, Monoceros has several celebrated deep sky objects as well as the most massive binary system yet discovered.
		The stars of Monoceros are as dim as the constellation's history: only a few fourth-magnitude stars that are difficult to notice except on very clear nights.
	www.dibonsmith.com /mon_con.htm (1269 words)

	ccd images (Site not responding. Last check: 2007-10-16)
		One of the most interesting reflection nebula in the entire sky, this colorful object represents an irregular dust cloud illuminated by the star R Monoceros.
		A dark ring of clouds surrounds this star, casting dark shadows onto the nebula seen here as dark spots above the brightest nebulosity that changes from year to year.
		This deep 2.5 hour exposure compares favorably with the first shot taken with the Palomar 200 inch image seen below, which is a 15 minute exposure on 103af film.
	www.schursastrophotography.com /ccdimagepages/hv.html (83 words)

	Scientific American: Milky Way Encircled by Stars (Site not responding. Last check: 2007-10-16)
		Scientists presented evidence for the ring on Monday at the annual meeting of the American Astronomical Society in Seattle, Wash.
		At more than 40,000 light years away from the earth the grouping lies on the same plane as the Milky Way and comprises part of a hoop that is nearly 120,000 light years in diameter, the scientists say.
		Astronomers using the Isaac Newton Telescopes in the Canary Islands to investigate a different section of the sky found a second set of stars located at a similar distance from the earth.
	www.sciam.com /print_version.cfm?articleID=0004BD11-3256-1E1B-8B3B809EC588EEDF (254 words)

	Hydra Kids III (Site not responding. Last check: 2007-10-16)
		If that does not ring a bell, you are not thelemitic at all, thanks God.
		MONOCERO se sei autogestita e hai la stoffa del leadership.
		The Ring of Saturn (we had recent Prometheus moon 1980 S 27 sucking up the Ring's material) features in the old predictions.
	www.talkaboutclassifieds.com /group/alt.astrology.marketplace/messages/18961.html (3812 words)

	picture gallery
		This figure was constructed from near-infrared J, H and K band images of the high mass star forming region in Monoceros R2.
		An extensive, nebulous ring or "torus" surrounding this region is also seen in scattered light.
		Thanks to the MAX team from the MPIA (in Heidelberg) who allowed us to reduce their data and produce this image.
	www.jach.hawaii.edu /UKIRT/public/monr2.html (102 words)

	Observations of object "M57 (Ring Nebula)" (Site not responding. Last check: 2007-10-16)
		At 59x, the ring was very sharp and the center was obvious.
		I looked for the dimmings of the ring that are apparent at the points where it intersects the object's major axis on some photographs, but couldn't see them.
		The best view was at 244x, which showed the object as a big, oval smoke ring, with the hole inside the ring being noticeably brighter than the surrounding flness.
	www.lies.com /aaol/view_obs.cgi?obj=m57 (1579 words)

	GALAXY AND UNIVERSE SLIDES (Site not responding. Last check: 2007-10-16)
		Enlarged section of the "Rosette" Nebula in Monoceros.
		Planetary nebula: the "Ring" Nebula in Lyra; NGC 6720.
		Ring Nebula in Lyra, NGC 6720, Four photographs in blue, green, yellow and red light.
	info.phys.uvic.ca /dbr/resman/galaxy_and_universe.html (713 words)

	Citebase - The INT/WFC survey of the Monoceros Ring: Accretion origin or Galactic Anomaly?
		Authors: Conn, Blair C. Lewis, Geraint F. Irwin, Mike J. Ibata, Rodrigo A. Ferguson, Annette M. Tanvir, Nial; Irwin, Jonathan M. We present the results of a wide-field camera survey of the stars in the Monoceros Ring, thought to be an additional structure in the Milky Way of unknown origin.
		Alternatively, the Monoceros Ring may be a natural part of the Disk formation process.
		The Monoceros Ring seems to be present on both sides of the Galactic plane, in a form different to that of the Galactic suggestive of a tidal origin with streams multiply wrapping the Galaxy.
	www.citebase.org /cgi-bin/citations?id=oai:arXiv.org:astro-ph/0506522 (1719 words)

	Citebase - The Canis Major dwarf galaxy as the progenitor of the Monoceros tidal stream
		Authors: Martinez-Delgado, David; Penarrubia, Jorge; Dinescu, D. Butler, D. Rix, H. The Sloan Digital Sky Survey has recently discovered a coherent ring of stars at low galactic latitude that is believed to be the tidal stream of a merging dwarf galaxy in the Galactic plane (named the Monoceros tidal stream).
		In this paper, we report a variety of new observational evidence that supports the notion that CMa is the remnant of a partially disrupted core of a dwarf satellite.
		We present evidence for a ring of stars in the plane of the Milky Way, extending at least from l = 180 deg to l = 227 deg with turnoff magnitude g ∼ 19.5; the ring could encircle the Galaxy.
	www.citebase.org /cgi-bin/citations?id=oai:arXiv.org:astro-ph/0506012 (1228 words)

	Astronomy News
		An intriguing, though tentative, conclusion is that the outer disk open cluster abundance ratios are consistent with the Monoceros ring being a merger event.
		The inner cut-off at 10 deg permits adequate sampling of both ends of the purported 3 kpc central bar and possibly some of the nuclear bulge stellar population.
		The outer cut-off at 65 deg includes all of the 5 kpc molecular ring, the Sagittarius spiral arm tangent, and the Norma spiral arm tangent.
	www.activeboard.com /forum.spark?forumID=58381&subForumID=150692&action=viewTopic&commentID=2810152&topicPage= (2811 words)

	Spaceflight Now \| Breaking News \| Distance data solves astrophysical mysteries
		The ring structure is highlighted with the large 18.4-degree diameter circle.
		The current location of the pulsar PSR B0656+14, marked with a cross, is near the center of the ring.
		The estimated position of the pulsar at birth is marked with a small fl rectangle.
	spaceflightnow.com /news/n0308/17distance (1171 words)

	RPI: At Rensselaer: Astronomy: Ring Around the Galaxy
		In the beginning of the year, a previously unseen band of stars beyond the edge of the Milky Way galaxy was discovered by a team of scientists from Rensselaer, Fermi National Accelerator Laboratory, and the Sloan Digital Sky Survey (SDSS).
		Hidden from view behind stars and gas on the same visual plane as the Milky Way, this ring of stars is approximately 120,000 light years in diameter, says Heidi Newberg, associate professor of physics, applied physics, and astronomy at Rensselaer and a co-lead investigator on the project.
		For four years, Newberg and other scientists have been examining the distribution of stars in the Milky Way.
	www.rpi.edu /dept/metasite/news/articles/sos/papa/01.html (339 words)

	monoceros weblogs: Gifts for LK and me
		We were talking on the phone last night about wedding bands and engagement rings.
		I left my little rock at home in Singapore since it's too pretty to wear every day; my wedding band is already scratched up rather badly.
		When the husband wants to buy you a ring, you don't try to pretend to be noble and above the lure of gems.
	www.monologs.net /archives/2004/12/07/gifts_for_lk_and_me.html (498 words)

	Reference.com/Encyclopedia/Canis Major Dwarf Galaxy
		The main body of the galaxy is extremely degraded.
		Tidal disruption causes a long filament of stars to trail behind it as it orbits the Milky Way, forming a complex ringlike structure sometimes referred to as the Monoceros Ring which wraps around our galaxy three times.
		Globular clusters thought to be associated with the Canis Major Dwarf galaxy include NGC 1851, NGC 1904, NGC 2298 and NGC 2808, all of which are likely to be a remnant of the galaxy's globular cluster system before its accretion, or swallowing, into the Milky Way.
	www.reference.com /browse/wiki/Canis_Major_Dwarf_Galaxy (686 words)

	unicorn
		A fabulous animal with one horn; the monoceros; -- often represented in heraldry as a supporter.
		Most of them belong to the genera {Monoceros} and {Leucozonia}.
		From WordNet r 1.6 [wn]: unicorn n : an imaginary creature represented as a white horse with a long horn growing from its forehead From Easton's 1897 Bible Dictionary [easton]: Unicorn described as an animal of great ferocity and strength (Num.
	www.beetfoundation.com /words/u/unicorn.html (433 words)

	Astrophysics authors/titles "new"
		This morphology is well represented by a composite of two logarithmic spiral arms and a circular ring (radius ~10 kpc) of star formation offset from the nucleus.
		The star forming ring is very circular except for a region near M32 where it splits.
		The lack of well defined spiral arms and the prominence of the nearly circular ring suggests that M31 has been distorted by interactions with its satellite galaxies.
	rainman.astro.uiuc.edu /coffeepap_Tuesday.html (9372 words)

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