File:Stellar_(9460796504).jpg
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Ifayela ewu ngqo (1,154 × 1,127 pixels, file size: 1.74 MB, MIME type: image/jpeg)
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Isifinyezo
IncazeloStellar (9460796504).jpg |
(April 1, 1995) This eerie, dark structure, resembling an imaginary sea serpent's head, is a column of cool molecular hydrogen gas (two atoms of hydrogen in each molecule) and dust that is an incubator for new stars. The stars are embedded inside finger-like protrusions extending from the top of the nebula. Each "fingertip" is somewhat larger than our own solar system. The pillar is slowly eroding away by the ultraviolet light from nearby hot stars, a process called "photoevaporation." As it does, small globules of especially dense gas buried within the cloud is uncovered. These globules have been dubbed "EGGs" -- an acronym for "Evaporating Gaseous Globules." The shadows of the EGGs protect gas behind them, resulting in the finger-like structures at the top of the cloud. Forming inside at least some of the EGGs are embryonic stars -- stars that abruptly stop growing when the EGGs are uncovered and they are separated from the larger reservoir of gas from which they were drawing mass. Eventually the stars emerge, as the EGGs themselves succumb to photoevaporation. The stellar EGGS are found, appropriately enough, in the "Eagle Nebula" (also called M16 -- the 16th object in Charles Messier's 18th century catalog of "fuzzy" permanent objects in the sky), a nearby star-forming region 7,000 light-years away in the constellation Serpens. The picture was taken on April 1, 1995 with the Hubble Space Telescope Wide Field and Planetary Camera 2. The color image is constructed from three separate images taken in the light of emission from different types of atoms. Red shows emission from singly-ionized sulfur atoms. Green shows emission from hydrogen. Blue shows light emitted by doubly-ionized oxygen atoms. Image # : PR95-44D |
Usuku | |
Umthombo | Stellar |
Umlobi | NASA on The Commons |
Permission (Reusing this file) |
NASA on The Commons @ Flickr Commons |
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This image was taken from Flickr's The Commons. The uploading organization may have various reasons for determining that no known copyright restrictions exist, such as: No known copyright restrictionsNo restrictionshttps://www.flickr.com/commons/usage/false
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This image was originally posted to Flickr by NASA on The Commons at https://flickr.com/photos/44494372@N05/9460796504. It was reviewed on 27 uMandulo 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions. |
27 uMandulo 2015
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Usuku/Isikhathi | Isithonjana | Dimensions | Umsebenzisi | Amazwana | |
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Njengamanje | 13:36, 27 uMandulo 2015 | 1,154 × 1,127 (1.74 MB) | Sumita Roy Dutta | Transferred from Flickr via Flickr2Commons |
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Image title |
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Author | NASA/ Goddard Space Flight Center - Space Telescope Science Institute |
Date and time of data generation | 00:00, 1 uMbasa 1995 |
Width | 1,154 px |
Height | 1,127 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 150 dpi |
Vertical resolution | 150 dpi |
Software used | Adobe Photoshop CS6 (Windows) |
File change date and time | 00:00, 1 uMbasa 1995 |
Exif version | 2.21 |
Date and time of digitizing | 00:00, 1 uMbasa 1995 |
Color space | sRGB |
Unique ID of original document | 53E378A990B4388C0F1562735994CB9A |
Date metadata was last modified | 07:11, 19 uNhlangulana 2013 |
Copyright status | Copyright status not set |
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IIM version | 2 |