File:A galactic nursery.jpg
![File:A galactic nursery.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/A_galactic_nursery.jpg/800px-A_galactic_nursery.jpg)
原始檔案 (1,153 × 821 像素,檔案大小:390 KB,MIME 類型:image/jpeg)
摘要
描述A galactic nursery.jpg |
English: This dramatic image shows the NASA/ESA Hubble Space Telescope’s view of dwarf galaxy known as NGC 1140, which lies 60 million light-years away in the constellation of Eridanus. As can be seen in this image NGC 1140 has an irregular form, much like the Large Magellanic Cloud — a small galaxy that orbits the Milky Way.
This small galaxy is undergoing what is known as a starburst. Despite being almost ten times smaller than the Milky Way it is creating stars at about the same rate, with the equivalent of one star the size of the Sun being created per year. This is clearly visible in the image, which shows the galaxy illuminated by bright, blue-white, young stars. Galaxies like NGC 1140 — small, starbursting and containing large amounts of primordial gas with way fewer elements heavier than hydrogen and helium than present in our Sun — are of particular interest to astronomers. Their composition makes them similar to the intensely star-forming galaxies in the early Universe. And these early Universe galaxies were the building blocks of present-day large galaxies like our galaxy, the Milky Way. But, as they are so far away these early Universe galaxies are harder to study so these closer starbursting galaxies are a good substitute for learning more about galaxy evolution . The vigorous star formation will have a very destructive effect on this small dwarf galaxy in its future. When the larger stars in the galaxy die, and explode as supernovae, gas is blown into space and may easily escape the gravitational pull of the galaxy. The ejection of gas from the galaxy means it is throwing out its potential for future stars as this gas is one of the building blocks of star formation. NGC 1140’s starburst cannot last for long. |
日期 | |
來源 | http://www.spacetelescope.org/images/potw1529a/ |
作者 | ESA/Hubble & NASA |
授權條款
![]() ![]() |
ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
Conditions:
Notes:
|
![]() |
![w:zh:創用CC](https://upload.wikimedia.org/wikipedia/commons/thumb/7/79/CC_some_rights_reserved.svg/90px-CC_some_rights_reserved.svg.png)
![姓名標示](https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Cc-by_new_white.svg/24px-Cc-by_new_white.svg.png)
- 您可以自由:
- 分享 – 複製、發佈和傳播本作品
- 重新修改 – 創作演繹作品
- 惟需遵照下列條件:
- 姓名標示 – 您必須指名出正確的製作者,和提供授權條款的連結,以及表示是否有對內容上做出變更。您可以用任何合理的方式來行動,但不得以任何方式表明授權條款是對您許可或是由您所使用。
說明
在此檔案描寫的項目
描繪內容
20 7 2015
image/jpeg
399,198 位元組
821 像素
1,153 像素
檔案歷史
點選日期/時間以檢視該時間的檔案版本。
日期/時間 | 縮圖 | 尺寸 | 使用者 | 備註 | |
---|---|---|---|---|---|
目前 | 2019年12月31日 (二) 09:18 | ![]() | 1,153 × 821(390 KB) | BevinKacon | actual size from source |
2015年7月20日 (一) 10:06 | ![]() | 1,280 × 911(240 KB) | Jmencisom | User created page with UploadWizard |
檔案用途
下列頁面有用到此檔案:
全域檔案使用狀況
以下其他 wiki 使用了這個檔案:
- ar.wikipedia.org 的使用狀況
- cs.wikipedia.org 的使用狀況
- el.wikipedia.org 的使用狀況
- en.wikipedia.org 的使用狀況
- es.wikipedia.org 的使用狀況
- fa.wikipedia.org 的使用狀況
- fr.wikipedia.org 的使用狀況
- it.wikipedia.org 的使用狀況
- nl.wikipedia.org 的使用狀況
- pl.wikipedia.org 的使用狀況
- pt.wikipedia.org 的使用狀況
- ru.wikipedia.org 的使用狀況
- uk.wikipedia.org 的使用狀況
詮釋資料
此檔案中包含其他資訊,這些資訊可能是由數位相機或掃描器在建立或數位化過程中所新增的。若檔案自原始狀態已被修改,一些詳細資料可能無法完整反映出已修改的檔案。
製作/提供者 | ESA/Hubble & NASA |
---|---|
來源 | ESA/Hubble |
簡稱 |
|
影像標題 |
|
使用條款 |
|
資料產生的日期時間 | 2015年7月20日 (一) 10:00 |
使用軟體 | Adobe Photoshop CC 2014 (Windows) |
原始文件唯一識別碼 | xmp.did:f55f94c4-f5b2-bf4b-b056-d1559bc5efde |
關鍵字 | NGC 1140 |
聯絡資訊 |
http://www.spacetelescope.org/ Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |
IIM 版本 | 4 |