File:Stellar (9460796504).jpg
原始檔案 (1,154 × 1,127 像素,檔案大小:1.74 MB,MIME 類型:image/jpeg)
摘要
描述Stellar (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 |
日期 | |
來源 | Stellar |
作者 | NASA on The Commons |
授權許可 (重用此檔案) |
NASA on The Commons @ Flickr Commons |
授權條款
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
More information can be found at https://flickr.com/commons/usage/. Please add additional copyright tags to this image if more specific information about copyright status can be determined. See Commons:Licensing for more information. |
這幅圖片原始出處為Flickr的https://flickr.com/photos/44494372@N05/9460796504 ,作者為NASA on The Commons 。經機器人FlickreviewR在2015年九月27日審查後確定為採用No known copyright restrictions的協議授權使用。 |
2015年九月27日
創作作者 Chinese (Hong Kong) (已轉換拼寫)
沒有維基數據項目的某些值
1 4 1995
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日期/時間 | 縮圖 | 尺寸 | 用戶 | 備註 | |
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目前 | 2015年9月27日 (日) 13:36 | 1,154 × 1,127(1.74 MB) | Sumita Roy Dutta | Transferred from Flickr via Flickr2Commons |
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影像標題 |
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作者 | NASA/ Goddard Space Flight Center - Space Telescope Science Institute |
資料產生的日期時間 | 1995年4月1日 (六) 00:00 |
簡稱 |
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寬度 | 1,154 px |
高度 | 1,127 px |
每像素位元 |
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像素合成 | RGB |
方位 | 標準 |
像素數量 | 3 |
水平解析度 | 150 dpi |
垂直解析度 | 150 dpi |
使用軟體 | Adobe Photoshop CS6 (Windows) |
檔案修改日期時間 | 1995年4月1日 (六) 00:00 |
Exif 版本 | 2.21 |
數位化的日期時間 | 1995年4月1日 (六) 00:00 |
色彩空間 | sRGB |
原始文件唯一識別碼 | 53E378A990B4388C0F1562735994CB9A |
詮釋資料最後修改日期 | 2013年6月19日 (三) 07:11 |
版權狀態 | 版權狀態不明 |
關鍵字 |
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IIM 版本 | 2 |