Please login in order to download photos in full size
If you are not registered, please register for free: www.Free-Photos.biz/register
Please note to download premium images you also need to join as a free member..
You can also save the photos without the registration - but only in small and average sizes, and some of them will have the site's watermark. Please simply click your right mouse button and save the image.
Please login in order to like photos
If you are not registered, please register for free:
Sorry, non-members can download up to 100 full-size photos per month.
It looks like you have used up your limit.
Free members can download an unlimited number of full-size photos - including the premium free photos.
Join as a member today for FREE! - and download the images without limitations:
You can also save the images without the membership - but only in small and average sizes, and some of them may have the site's watermark. Please simply click your right mouse button and save the image.
This photo was viewed 1 times and was downloaded in full size 0 times.
This photo was liked 0 times
|Description||(NASA News Release) A NASA Hubble Space Telescope "natural color" image of the material surrounding the star Eta Carinae, as imaged by the Wide Field Planetary Camera 2 (WFPC-2).
The Camera was installed in the Hubble Space Telescope during the STS-61 Hubble Servicing Mission. The WFPC-2 optically corrects for the aberration of the telescope's primary minor, restoring the telescope's vision to its originally planned clarity. 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. The last of these occurred in 1841, when despite it's distance (over 10,000 light years away) Eta carinac briefly became the second brightest star in the sky. Pre-servicing mission HST observations taken with the WF/PC-1 reveled new detail in the rapidly expanding shell of material which was ejected during the last century's outburst. However, the earlier effects of HST's spherical aberration obscured the structure of the material very near Eta Carinae itself. The clear view of Eta Carinae now provided by WFPC-2 dramatically demonstrates the ability of HST to reliable study faint structures near bright objects. The picture is a combination of three different images taken in red, green, and blue light. The ghostly red outer glow surrounding the star is composed of the very fastest moving of the material which was ejected during the last century's outburst. This material, much of which is moving more than two million miles per hour, is largely composed of nitrogen and other elements formed in the interior of the massive stir, and subsequently ejected into interstellar space. The bright blue-white nebulosity closer in to the star also consists of ejected stellar material. Unlike the outer nebulosity, this material is very dusty and reflects starlight. The new data show that this structure consists of two lobes of material, one of which (lower left) is moving toward us and the other of which (upper right) is moving away. The knots of ejected material have sizes comparable to that of our solar system. Previous models of such bipolar flows predict a dense disk surrounding the star which funnels the ejected material out of the poles of the system. 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.This is quite unexpected. The WFPC-2 observations of Eta carinie liaise as inany questions as they answer.
|Date||January 14, 1994 (release)|
|Source||Hubble Site |
|Author||J. Hester/Arizona state University & NASA Hubble Space Telescope|
|This file is in the public domain because it was created by NASA and ESA. Hubble material is copyright-free and may be freely used as in the public domain without fee, on the condition that NASA and ESA is credited as the source of the material. The material was created for NASA by Space Telescope Science Institute and for ESA by the Hubble European Space Agency Information Centre under Contract NAS5-26555. Copyright statement at hubblesite.org or copyright statement at spacetelescope.org.|
|17:26, 6. Jul 2004||Deconstruct||(Quellenhinweis und Beschreibung)|
|17:12, 6. Jul 2004||Deconstruct||(Eta Carinae)|
All photos in average size can be saved by everyone without registration (by right-clicking) - and all photos can be downloaded in full-size and without the big watermark by members (by left-clicking) (registration and free membership required).
While the copyright and licensing information supplied for each photo is believed to be accurate, Free-Photos.biz does not provide any warranty regarding the copyright status or correctness of licensing terms. If you decide to reuse the images from Free-Photos.biz, you should verify the copyright status of each image just as you would when obtaining images from other sources.
The use of depictions of living or deceased persons may be restricted in some jurisdictions by laws regarding personality rights. Such images are exhibited at Free-Photos.biz as works of art that serve higher artistic interests.