
	Where results make sense

Topic: Eta Carinae

Related Topics

Pistol Star

Star

Star cluster

Deneb

Antares

List of brightest stars

Betelgeuse

Carina (constellation)

Transposon

List of flags

Eurovision Song Contest 2005

Vomiting

Pol Pot

Bilirubin

Culture of Brazil

In the News (Fri 18 Dec 09)

Northern Trust

Marvin Harrison

Peter Chernin

Gary Locke

Match Play

Penelope Cruz

Mickey Rourke

AR Rahman

Danny Boyle

Hugh Jackman

	Eta Carinae 2?
		Eta Carinae lies in the OB association Trumpler 16, within the Carina Nebula (NGC 3372).
		Assuming that Eta Carinae is a binary, its x-ray output should vary with the orbital period of a smaller star revolving around a common center of mass with a larger star in a repeating cycle.
		While Eta Carinae A is too cool to generate X-rays, it continuously blasts a flow of gas into space in a stellar wind at about 300 miles per second that collides with a similiar wind from Star B somewhere between the two stars to generate the observed X-rays.
	www.solstation.com /x-objects/eta-car.htm (2204 words)

	Origins: Library
		Eta Carinae is one of the best studied and most fascinating objects in the sky.
		In particular, the structure of the material very near Eta Carinae itself a question of great scientific interest was totally obscured in the original images by the spherical aberration "skirt" around the bright star.
		In Eta Carinae, however, high velocity material is seen to be spraying out in the same plane as the disk which is supposed to be channeling the flow.
	origins.jpl.nasa.gov /library/poster/etacarinae.html (842 words)

	Star Eta Carinae
		Eta Carinae was the site of a giant outburst about 150 years ago, when it became one of the brightest stars in the southern sky.
		The peak is light from Eta Carinae, and smaller peaks in the foreground are light from the surrounding nebula.
		This is a graph of the apparent brightness of the star Eta Carinae, from the early 1950's to 1999.
	www.gsfc.nasa.gov /gsfc/spacesci/pictures/hst/eta.htm (1603 words)

	Eta Carinae
		Carinae is believed to represent an important though short-lived, unstable phase in the life of the most massive stars: the Luminous Blue Variable (LBV) phase.
		Carinae survived an outburst in the previous century that lasted 20 years; and which created a nebula with pronounced bipolar lobes that together contain about 2.5 solar masses of material.
		Eta Carinae is considered to be highly unstable and a strong supernova candidate.
	www.peripatus.gen.nz /astronomy/etacar.html (789 words)

	The Strange Case of Eta Carinae (Site not responding. Last check: 2007-10-10)
		Eta Carinae has a mass of approximately 150 times that of the sun, and is about 4 million times brighter than our local star, making it one of the most massive and most luminous stars known.
		Eta Carinae is highly unstable, and prone to violent outbursts.
		In Eta Carinae, however, high velocity material is spraying out in the same plane as the hypothetical disk, which is supposed to be channeling the flow.
	csep10.phys.utk.edu /astr162/lect/supernovae/etacarinae.html (446 words)

	Eta Carinae
		Surrounded by the largest diffuse nebula in the sky, the Eta Carinae Nebula, it is an S Doradus star with a mass of over 100 solar masses and a luminosity of about 4 million Lsun, putting it close to the theoretical limit of stellar stability.
		As for the star’s powerful X-ray emission, most astronomers agree that this is the result of the collision of two dense stellar winds, but whether these emanate from the two stars of a close interacting binary system or from the fast and slow stellar winds of a single star remains unclear.
		One thing seems certain: Eta Carina is doomed to explode as a supernova in the not-too-distant future.
	www.daviddarling.info /encyclopedia/E/Eta_Carinae.html (494 words)

	Eta Carinae - Wikipedia, the free encyclopedia
		Eta Carinae's giant eruption was the prototype for this phenomenon, and after 160 years the star's internal structure has not fully recovered.
		When Eta Carinae was first catalogued in 1677 by Edmond Halley, it was of the 4th magnitude, but by 1730, observers noticed it had brightened considerably, and was at that point one of the brightest stars in Carina.
		After 1843 Eta Carinae faded away, and between about 1900 and 1940 it was only of the 8th magnitude: invisible to the naked eye (see the light curve).
	en.wikipedia.org /wiki/Eta_Carinae (1158 words)

	Unveiling Eta Carinae with Chandra
		Eta Carinae is the blue-white source at the center of the image.
		The impact of the companion on understanding the formation of Eta Carinae, its subsequent evolution and the possible role the companion may play in moderating or driving instabilities in Eta Carinae is important and needs to be understood.
		Eta Carinae is a nice example of progress made in the field of X-ray astronomy.
	cxc.harvard.edu /newsletters/news_12/etacar.html (2293 words)

	Eta Carinae (Update)
		In particular, the structure of the material very near Eta Carinae itself -- a question of great scientific interest -- was totally obscured in the original images by the spherical aberration "skirt" around the bright star.
		On the other hand, the observations of Eta Carinae also demonstrates how pre-servicing mission HST science complements work to be done with the restored capabilities of the telescope.
		Thus, by looking at Eta Carinae, we are looking at one way that the universe conspired to make our own existence possible.
	spacefinder.tripod.com /pages/089.htm (795 words)

	Akeley Hallway - Eta Carinae (Site not responding. Last check: 2007-10-10)
		Eta Carinae has a mass of more than 100 times that of the Sun, and is about 5 million times brighter than our local star, making it one of the most massive and most luminous stars known.
		At a distance of almost 8000 light years, Eta Carinae is barely visible to the naked eye to observers in the southern hemisphere.
		Eta Carinae remains one of the great mysteries of stellar astronomy, and the new WFPC-2 images raise further puzzles.
	www.usd.edu /phys/tour/eta_carinae.htm (350 words)

	NASA - NASA Satellite Detects Massive Star Partner
		Eta Carinae is an unstable star thought to be rapidly approaching the final stage of its life.
		Eta Carinae is too cool to generate X-rays, but it continuously blasts a flow of gas into space as a stellar wind at about 300 miles per second.
		Eta Carinae is too far away for telescopes to distinguish two stars in such a close orbit.
	www.nasa.gov /home/hqnews/2005/nov/HQ_05353_massive_star.html (809 words)

	Violent Outbursts in Eta Carinae (SEDS HST Archive 91 of 135) (Site not responding. Last check: 2007-10-10)
		Eta Carinae has a mass of approximately 150 times that of the sun, and is about 4 million times brighter than our local star, making it one of the most massive and most luminous stars known.
		Eta Carinae is highly unstable, and prone to violent outbursts.
		In Eta Carinae, however, high velocity material is spraying out in the same plane as the hypothetical disk, which is supposed to be channeling the flow.
	www.seds.org /hst/WFPCEtaCar.html (447 words)

	ESA Science & Technology: Eta Carinae' - ISO tells the true story
		Eta Carinae, in the constellation of the same name in the southern hemisphere, has puzzled scientists ever since the famous nineteenth-century British astronomer William Herschel noticed the enormous change in the object's brightness, marking the explosion.
		Eta Carinae is the brightest object in the infrared - outside the Solar System - and the Amsterdam team used both spectrometers on board ISO (called SWS and LWS) to observe it.
		It comes as a surprise that, if this explanation is true, the explosion in Eta Carinae had its real roots two millennia ago, since that's when the formation of the massive torus must have taken place.
	sci.esa.int /science-e/www/object/index.cfm?fobjectid=12842 (710 words)

	ROSAT Newsletter 11: Cover Images
		A bright source of high-energy X-rays at the center of the shell is apparent in the 1994 image but not in the 1992 image.
		The inset shows a picture of Eta Carinae and the homunculus from the Hubble Space Telescope's Wide Field Planetary Camera 2.
		Eta Carinae appears as a dark spot at the center of the HST image, and the homunculus as an oval-shaped nebula around the star.
	heasarc.gsfc.nasa.gov /docs/rosat/newsletters/cover_images11.html (183 words)

	Doomed Star Eta Carinae - SciForums.com
		Eta Carinae is an object that has always fascinated me since I saw the picture at the beginning of this thread.
		The star Eta Carinae itself is extremely variable and has faded in a mere 150 years - formerly one of the brightest in the sky it is now invisible without a telescope.
		Eta Carinae is also one of the strangest star systems known, brightening and fading greatly since the early 1800s.
	www.sciforums.com /showthread.php?t=7173 (1081 words)

	ASP: The Behemoth Eta Carinae: A Repeat Offender
		Very massive stars like Eta Carinae will end their lives in a blaze of glory called a supernova explosion, and fl holes are the collapsed stellar cores they will leave behind as a corpse.
		So far, Eta Carinae is the only star known to have undergone and survived separate major eruptions of two different types (although there is a hint of similar behavior in another very massive star called P Cygni, which erupted around 1600 and again in 1655!).
		If Eta Carinae was a prominent feature in the night sky, worthy of a godly asterism, it may represent an ancient eruption or bright phase, or may just mean that Eta was a more luminous star several thousand years ago.
	www.astrosociety.org /pubs/mercury/9804/eta.html (3773 words)

	Eta Carinae
		Eta Carinae and all other cosmic mass in this galactic region of the universe was originally under compression within a massive fl hole.
		Light emissions from Eta Carinae are primarily emitted with the wavelengths of the color blue, at the high end of the spectrum.
		In the stellar case of Eta Carinae, its core was permeated with many non-homogeneous hydrogen pocket fuel anomalies due to formation shortly after the big bang.
	www.grantchronicles.com /astro17.htm (1299 words)

	[No title]
		Eta Carinae is a famous star in the southern sky.
		Eta Carinae is the most luminous star in our Galaxy (i.e., it puts out more energy than any other star we know of) and is therefore thought to be the heaviest star in the Galaxy, at roughly 100 times the mass of our Sun.
		Eta Carinae is in the southern constellation of Carina, where we look along one of the spiral arms which make up our Galaxy.
	www.astro.umd.edu /~white/text/eta_images.html (906 words)

	EtaCarinae
		One look at the luminous blue star Eta Carinae would be enough to convince anyone that this star is in its death throes.
		Eta Carinae is a southern hemisphere object, and has been quite familiar to observers throughout the centuries.
		In the case of Eta Carinae, the collapse is slow, asymmetric, and incomplete.
	home.earthlink.net /~rarydin/etacarinae.htm (1921 words)

	Eta Carinae - Search Results - ninemsn Encarta
		Eta Carinae, unusual variable star about 8,000 light years away in the southern constellation Carina, at right ascension 10h 45.1m, declination -59°...
		Carina (Latin, “the keel”), large southern constellation, located north and west of Volans and south of Vela.
		Most birds can fly, and all are ultimately descended from ancestors that could fly, although there are many extinct flightless species.
	au.encarta.msn.com /Eta_Carinae.html (144 words)

	The brightening star Eta Carinae -- A sign of hope or of danger? -- Could it turn into a giant supernova soon? -- a New ...
		The star Eta Carinae is a star in the Southern sky, near the Southern Cross constellation.
		Eta Carinae could become very bright, and be the brightest star in the sky, in the next few years.
		The Eta Carinae Nebula (NGC3372) is a bright cloud in our galaxy the Milky Way, and the dark cloud in front of part of the Eta Carina Nebula is the Keyhole Nebula (NGC3324), which is next to the star Eta Carinae, a supermassive star that could one day become a giant supernova.
	www.revelation13.net /Carinae.html (679 words)

	APOD: 2005 October 15 - Dusty Environs of Eta Carinae (Site not responding. Last check: 2007-10-10)
		In fact, in April of 1843 Eta Car briefly became second only to Sirius as the brightest star in planet Earth's night sky, even though at a distance of about 7,500 light-years, it is about 800 times farther away.
		Eta Carinae is seen near the center of this false-color infrared image, constructed using data from the Midcourse Space Experiment (MSX).
		Massive Eta Car has even been considered a candidate for a hypernova explosion and the potential source of a future gamma-ray burst.
	antwrp.gsfc.nasa.gov /apod/ap051015.html (200 words)

	Eta Carinae
		Eta Carinae is one of the most massive stars in the universe, with probably more than 100 solar masses (Jeff Hester of the ASU, who made this HST image, has estimated 150 times the mass of our sun, Robert Zimmermann gives 120 solar masses in his article in Astronomy, Feb. 2000 issue).
		Eta Carinae radiates 99 % of its luminosity in the infrared part of the spectrum, where it is the brightest object in the sky at 10-20 microns wavelength.
		As such massive stars have a comparatively short expected lifetime of roughly 1 million years, Eta Carinae must have formed recently in the cosmic timescale; it is actually situated in the heavily star forming nebula NGC 3372, called the Great Carina Nebula, or the Eta Carinae Nebula.
	www.seds.org /messier/xtra/ngc/etacar.html (931 words)

	Chandra Takes X-ray Image of Repeat Offender
		Instead, Eta Carinae is still there (in a subtle bit of innovative grammar, astronomers refer to the star as Eta Carinae and the nebula as Eta Carina).
		Davidson is principal investigator for the Eta Carina observations by Hubble.
		Astronomers still do not know what lies at the heart of Eta Carinae, but most believe that it is powered by an extremely massive star that may be a 150 times as massive as the Sun.
	science.nasa.gov /newhome/headlines/ast08oct99_1.htm (1384 words)

	NGC 3372 - The Eta Carinae Nebula (Site not responding. Last check: 2007-10-10)
		The Eta Carinae nebula is classified as NGC 3372, it covers about three degrees of the sky which at a distance of 8800 light years corresponds to a diameter of about 460 light years.
		The distance to the Eta Carinae is known fairly accurately because there are two star clusters buried at the heart of the nebula (Trumpler 14 and Trumpler 16).
		The star Eta Carinae does not look spectacular although it has brightened slightly since the late nineteeth century and it is now at the limit of naked-eye visibility.
	www.anzwers.org /free/universe/nebulae/ngc3372.html (920 words)

Try your search on: Qwika (all wikis)