File:Lenticular dust in detail (potw2420a).jpg
页面内容不支持其他语言。
外观
本预览的尺寸:800 × 500像素。 其他分辨率:320 × 200像素 | 640 × 400像素 | 1,024 × 640像素 | 1,280 × 800像素 | 2,756 × 1,722像素。
原始文件 (2,756 × 1,722像素,文件大小:1.55 MB,MIME类型:image/jpeg)
摘要
描述Lenticular dust in detail (potw2420a).jpg |
English: Featured in this new image from the NASA/ESA Hubble Space Telescope is a nearly edge-on view of the lenticular galaxy NGC 4753. These galaxies have an elliptical shape and ill-defined spiral arms.This image is the object's sharpest view to date, showcasing Hubble’s incredible resolving power and ability to reveal complex dust structures. NGC 4753 resides around 60 million light-years from Earth in the constellation Virgo and was first discovered by the astronomer William Herschel in 1784. It is a member of the NGC 4753 Group of galaxies within the Virgo II Cloud, which comprises roughly 100 galaxies and galaxy clusters.This galaxy is believed to be the result of a galactic merger with a nearby dwarf galaxy roughly 1.3 billion years ago. NGC 4753’s distinct dust lanes around its nucleus are believed to have been accreted from this merger event. It is now believed that most of the mass in the galaxy lies in a slightly flattened spherical halo of dark matter. Dark matter is a form of matter that cannot currently be observed directly, but is thought to comprise about 85% of all matter in the Universe. It is referred to as ‘dark’ because it does not appear to interact with the electromagnetic field, and therefore does not seem to emit, reflect or refract light.This object is also of scientific interest to test different theories of formation of lenticular galaxies, given its low-density environment and complex structure. Furthermore, this galaxy has been host to two known Type Ia supernovae. These types of supernovae are extremely important as they are all caused by exploding white dwarfs which have companion stars, and always peak at the same brightness — 5 billion times brighter than the Sun. Knowing the true brightness of these events, and comparing this with their apparent brightness, gives astronomers a unique chance to measure distances in the Universe.[Image Description: Lenticular galaxy NGC 4753 is featured with a bright white core and surrounding defined dust lanes around its nucleus, that predominantly appear dark brown in colour. A variety of faint stars fill the background of the image.] |
日期 | 2024年5月13日 (上传日期) |
来源 | Lenticular dust in detail |
作者 | ESA/Hubble & NASA, L. Kelsey |
其他版本 |
|
许可协议
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:
|
image/jpeg
1,722 像素
2,756 像素
1,624,913 字节
13 5 2024
1eafshr53xowt8r06qdgm8r8y2zwcs88ckxvh3kp2ytldba2zc
文件历史
点击某个日期/时间查看对应时刻的文件。
日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
---|---|---|---|---|---|
当前 | 2024年5月13日 (一) 09:00 | 2,756 × 1,722(1.55 MB) | OptimusPrimeBot | #Spacemedia - Upload of https://cdn.esahubble.org/archives/images/large/potw2420a.jpg via Commons:Spacemedia |
文件用途
以下页面使用本文件:
全域文件用途
以下其他wiki使用此文件:
元数据
此文件中包含有扩展的信息。这些信息可能是由数码相机或扫描仪在创建或数字化过程中所添加。
如果此文件的源文件已经被修改,一些信息在修改后的文件中将不能完全反映出来。
来源 | ESA/Hubble |
---|---|
提供者 | ESA/Hubble & NASA, L. Kelsey |
简短标题 |
|
图像标题 |
|
使用条款 |
|
数据生成日期时间 | 2024年5月13日 (一) 06:00 |
使用软件 | Adobe Photoshop 25.6 (Windows) |
文件修改日期时间 | 2024年4月26日 (五) 14:25 |
数字化日期时间 | 2024年2月12日 (一) 11:16 |
元数据最后修改日期 | 2024年4月26日 (五) 16:25 |
原始文件唯一ID | xmp.did:59b67a8c-0925-a34a-986f-33883bcf6841 |
联系信息 |
ESA Office, Space Telescope Science Institute, 3700 San Martin Dr Baltimore, MD, 21218 United States |
IIM版本 | 4 |
隐藏分类: