File:An explosive galaxy NGC 4051.jpg
![File:An explosive galaxy NGC 4051.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/b/bd/An_explosive_galaxy_NGC_4051.jpg/800px-An_explosive_galaxy_NGC_4051.jpg)
原始檔案 (3,939 × 2,923 像素,檔案大小:5.73 MB,MIME 類型:image/jpeg)
==摘要==
描述An explosive galaxy NGC 4051.jpg |
English: When massive stars die at the end of their short lives, they light up the cosmos with bright, explosive bursts of light and material known as supernovae. A supernova event is incredibly energetic and intensely luminous — so much so that it forms what looks like an especially bright new star that slowly fades away over time.
These exploding stars glow so incredibly brightly when they first form that they can be spotted from afar using telescopes such as the NASA/ESA Hubble Space Telescope. The subject of this image, a spiral galaxy named NGC 4051 — about 45 million light-years from Earth — has hosted multiple supernovae in past years. The first was spotted in 1983 (SN 1983I), the second in 2003 (SN 2003ie), and the most recent in 2010 (SN 2010br). These explosive events were seen scattered throughout the centre and spiral arms of NGC 4051. The SN 1983I and SN 2010br were both categorised as supernovae of type Ic. This type of supernova is produced by the core collapse of a massive star that has lost its outer layer of hydrogen and helium, either via winds or by mass transfer to a companion. Because of this, type Ic — and also type Ib — supernovae are sometimes referred to as stripped core-collapse supernovae. This galaxy’s beautiful spiral structure can be seen well in this image, along with other intriguing objects (including an emission-line galaxy known as SDSS J120312.35+443045.1, visible as the bright smudge to the lower middle of the image, beneath the sweeping arm of NGC 4051).NGC 4501 sits in the southern part of a cluster of galaxies known as the Ursa Major I Cluster; this cluster is especially rich in spirals such as NGC 4051, and is a subset of the larger Virgo Supercluster, which also houses the Milky Way.
Coordinates Position (RA): 12 3 10.87 Position (Dec): 44° 31' 49.00" Field of view: 2.60 x 1.93 arcminutes Orientation: North is 18.0° left of vertical Colours & filters Band Wavelength Telescope Ultraviolet UV 275 nm Hubble Space Telescope WFC3 Optical U 336 nm Hubble Space Telescope WFC3 Optical OIII 502 nm Hubble Space Telescope WFC3 Optical OIII 502 nm Hubble Space Telescope WFC3 Optical U 336 nm Hubble Space Telescope WFC3 Optical y 547 nm Hubble Space Telescope WFC3 Optical y 547 nm Hubble Space Telescope WFC3. |
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來源 | https://www.spacetelescope.org/images/potw1923a/ |
作者 | ESA/Hubble & NASA, D. Crenshaw and O. Fox |
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說明
共享創意署名4.0國際 Chinese (Hong Kong) (已轉換拼寫)
10 6 2019
多媒體型式 繁體中文 (已轉換拼寫)
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資料大小 Chinese (Hong Kong) (已轉換拼寫)
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2,923 像素
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日期/時間 | 縮圖 | 尺寸 | 用戶 | 備註 | |
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目前 | 2019年6月10日 (一) 12:04 | ![]() | 3,939 × 2,923(5.73 MB) | Fabian RRRR | highest resolution |
2019年6月10日 (一) 11:21 | ![]() | 1,280 × 950(336 KB) | Jmencisom | User created page with UploadWizard |
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製作/提供者 | ESA/Hubble & NASA, D. Crenshaw and O. Fox |
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來源 | ESA/Hubble |
簡稱 |
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影像標題 |
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使用條款 |
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資料產生的日期時間 | 2019年6月10日 (一) 06:00 |
使用軟體 | Adobe Photoshop CC 2019 (Windows) |
檔案修改日期時間 | 2019年5月9日 (四) 11:47 |
數位化的日期時間 | 2019年4月16日 (二) 20:09 |
詮釋資料最後修改日期 | 2019年5月9日 (四) 13:47 |
原始文件唯一識別碼 | xmp.did:2bf2fdc7-f211-2844-a31d-916409b97982 |
關鍵字 | NGC 4051 |
聯絡資訊 |
Karl-Schwarzschild-Strasse 2 Garching bei München, None, D-85748 Germany |
IIM 版本 | 4 |