File:Blackeyegalaxy.jpg
![File:Blackeyegalaxy.jpg](http://178.128.105.246/content-https-upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Blackeyegalaxy.jpg/505px-Blackeyegalaxy.jpg?20050602094651)
Original file (897 × 1,065 pixels, file size: 774 KB, MIME type: image/jpeg)
Captions
Captions
|
DescriptionBlackeyegalaxy.jpg |
This image of Messier 64 (M64) was taken with Hubble's Wide Field Planetary Camera 2 (WFPC2). The color image is a composite prepared by the Hubble Heritage Team from pictures taken through four different color filters. These filters isolate blue and near-infrared light, along with red light emitted by hydrogen atoms and green light from Strömgren y. M64 has a spectacular dark band of absorbing dust in front of the galaxy's bright nucleus, giving rise to its nicknames of the Black Eye or Evil Eye galaxy. At first glance, M64 appears to be a fairly normal pinwheel-shaped spiral galaxy. As in the majority of galaxies, all of the stars in M64 are rotating in the same direction, clockwise as seen in the Hubble image. However, detailed studies in the 1990's led to the remarkable discovery that the interstellar gas in the outer regions of M64 rotates in the opposite direction from the gas and stars in the inner regions. Active formation of new stars is occurring in the shear region where the oppositely rotating gases collide, are compressed, and contract. Particularly noticeable in the image are hot, blue young stars that have just formed, along with pink clouds of glowing hydrogen gas that fluoresce when exposed to ultraviolet light from newly formed stars. Astronomers believe that the oppositely rotating gas arose when M64 absorbed a satellite galaxy that collided with it, perhaps more than one billion years ago. This small galaxy has now been almost completely destroyed, but signs of the collision persist in the backward motion of gas at the outer edge of M64. |
||||
Date | |||||
Source | http://hubblesite.org/newscenter/archive/releases/2004/04/image/a/ (direct link) | ||||
Author | NASA and The Hubble Heritage Team (AURA/STScI) | ||||
Permission (Reusing this file) |
|
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 09:46, 2 June 2005 | ![]() | 897 × 1,065 (774 KB) | CWitte (talk | contribs) | This image of M64 was taken with Hubble's Wide Field Planetary Camera 2 (WFPC2). The color image is a composite prepared by the Hubble Heritage Team from pictures taken through four different color filters. These filters isolate blue and near-infrared lig |
You cannot overwrite this file.
File usage on Commons
The following 3 pages use this file:
File usage on other wikis
The following other wikis use this file:
- Usage on af.wikipedia.org
- Usage on ar.wikipedia.org
- Usage on ast.wikipedia.org
- Usage on az.wikipedia.org
- Usage on be.wikipedia.org
- Usage on bg.wikipedia.org
- Usage on bn.wikipedia.org
- Usage on br.wikipedia.org
- Usage on bs.wikipedia.org
- Usage on btm.wikipedia.org
- Usage on ca.wikipedia.org
- Usage on ce.wikipedia.org
- Usage on ckb.wikipedia.org
- Usage on co.wikipedia.org
- Usage on cs.wikipedia.org
- Usage on cy.wikipedia.org
- Usage on de.wikipedia.org
- Usage on diq.wikipedia.org
- Usage on el.wikipedia.org
- Usage on en.wikipedia.org
- Messier object
- Coma Berenices
- List of galaxies
- Portal:Astronomy/Picture/May 2005
- Portal:Astronomy/Picture/12 May 2005
- Portal:Astronomy/Picture/Week 48 2005
- User:ComaDivine
- User:Superfo
- User:Gilgamesh~enwiki/Favorite images
- List of spiral galaxies
- Portal:Solar System
- Portal:Solar System/WikiProjects
- User:Passargea/Favourite pictures/Space
- User:Logos/Hall of Galaxies
- User talk:Example/Archives/2008/April
- User:Mike YuHong Chen
View more global usage of this file.
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Image title | IDL TIFF file |
---|---|
Orientation | Normal |
Horizontal resolution | 100 dpi |
Vertical resolution | 100 dpi |
Software used | Adobe Photoshop 7.0 |
File change date and time | 14:30, 14 January 2004 |
Color space | Uncalibrated |