File:Hubble views new supernova in Messier 82.jpg

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描述	English: Spiral galaxy Messier 82 has long been known for its remarkable starburst activity, caused by interactions with its near neighbour Messier 81, and has been the subject of intense study for many years. On 21 January 2014, astronomers at the University of London Observatory in London, UK, pointed their telescope at the galaxy and spied something peculiar… an intensely bright spot seemed to have suddenly appeared within the galaxy [1]. This bright spot is actually a new supernova known as SN 2014J — the closest supernova to Earth in recent decades! Since its discovery, SN 2014J has been confirmed as a type Ia supernova, making it the closest of its type to Earth in over 40 years (since SN 1972E) [2]. This new NASA/ESA Hubble Space Telescope image is set against a previous mosaic of Messier 82 from 2006 (heic0604a), and shows the supernova as an intensely bright spot towards the bottom right of the frame. Type Ia supernovae are even more exciting for astronomers, as they have particular properties that we can use to probe the distant Universe. They are used as standard candles to measure distances and help us understand the scale of the cosmos. Catching such a supernova so soon after its explosion is very unusual; this early discovery will enable astronomers to explore its evolution in great detail, and to potentially infer the properties of its progenitor star. Messier 82 is several times more luminous than our Milky Way. Because it is only 12 million light-years away, it is one of the brighter galaxies in the northern sky. It can be found in the constellation of Ursa Major (The Great Bear). The supernova is currently visible through a modest amateur telescope, so why not see if you can spot it from your back garden? The image shown here was taken on 31 January 2014 with Hubble’s Wide Field Camera 3. This image is inset into a photo mosaic of the entire galaxy taken in 2006 with Hubble’s Advanced Camera for Surveys. Notes [1] The supernova was discovered at 19:20 GMT by a team of students — Ben Cooke, Tom Wright, Matthew Wilde and Guy Pollack — assisted by Dr Steve Fossey. The supernova is visible in pre-discovery images of the galaxy. [2] Supernova SN 1987A, discovered in 1987, was closer to Earth than SN 2014J, but it was a type II supernova rather than a type Ia.
日期	2014年3月3日, 10:00:00
來源	http://www.spacetelescope.org/images/potw1409a/
作者	New supernova image: NASA, ESA, A. Goobar (Stockholm University), and Hubble Heritage Image of Messier 82: NASA, ESA and the Hubble Heritage Team STScI/AURA). Acknowledgment: J. Gallagher (University of Wisconsin), M. Mountain (STScI) and P. Puxley (NSF).

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	日期/時間	縮⁠圖	尺寸	用戶	備⁠註
目前	2014年3月11日 (二) 00:53		3,000 × 2,080（3.24 MB）	Jmencisom	User created page with UploadWizard

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en.wikipedia.org 的使用狀況
- Messier 82
en.wikiversity.org 的使用狀況
eu.wikipedia.org 的使用狀況
- Txikipedia:Supernoba
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- Messier 82

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來源	ESA/Hubble
製作/提供者	New supernova image: NASA, ESA, A. Goobar (Stockholm University), and Hubble Heritage Image of Messier 82: NASA, ESA and the Hubble Heritage Team STScI/AURA).Acknowledgment: J. Gallagher (University of Wisconsin), M. Mountain (STScI) and P. Puxley (NSF).
使用條款	Creative Commons Attribution 3.0 Unported license
影像標題	Spiral galaxy Messier 82 has long been known for its remarkable starburst activity, caused by interactions with its near neighbour Messier 81, and has been the subject of intense study for many years. On 21 January 2014, astronomers at the University of London Observatory in London, UK, pointed their telescope at the galaxy and spied something peculiar… an intensely bright spot seemed to have suddenly appeared within the galaxy [1]. This bright spot is actually a new supernova known as SN 2014J — the closest supernova to Earth in recent decades! Since its discovery, SN 2014J has been confirmed as a type Ia supernova, making it the closest ofits type to Earth in over 40 years (since SN 1972E) [2]. This new NASA/ESA Hubble Space Telescope image is set against a previous mosaic of Messier 82 from 2006 (heic0604a), and shows the supernova as an intensely bright spot towards the bottom right of the frame. Type Ia supernovae are even more exciting for astronomers, as they have particular properties that we can use to probe the distant Universe. They are used as standard candles to measure distances and help us understand the scale of the cosmos. Catching such a supernova so soon after its explosion is very unusual; this early discoverywill enable astronomers to explore its evolution in great detail, and to potentially infer the properties of its progenitor star. Messier 82 is several times more luminous than our Milky Way. Because it is only 12 million light-years away, it is one of the brighter galaxies in the northern sky. Itcan be found in the constellation of Ursa Major (The Great Bear). The supernova is currently visible through a modest amateur telescope, so why not see if you can spot it from your back garden? The image shown here was taken on 31 January 2014 with Hubble’s Wide Field Camera 3. This image is insetinto a photo mosaic of the entire galaxy taken in 2006 with Hubble’s Advanced Camera for Surveys. Notes [1] The supernova was discovered at 19:20 GMT by a team of students — Ben Cooke, Tom Wright, Matthew Wilde and Guy Pollack — assisted by Dr Steve Fossey. The supernova is visible in pre-discovery images of the galaxy. [2] Supernova SN 1987A, discovered in 1987, was closer to Earth than SN 2014J, but it was a type II supernova rather than a type Ia. Link University College London announcement of supernova discovery
簡稱	Hubble views new supernova in Messier 82
資料產生的日期時間	2014年3月3日 (一) 10:00
使用軟體	Adobe Photoshop CS6 (Windows)
版權狀態	版權狀態不明
原始文件唯一識別碼	uuid:8391BC23D12C11DAA7C08A8A748AA9BC
關鍵字	Messier 82 SN 2014J
聯絡資訊	http://www.spacetelescope.org/ Karl-Schwarzschild-Strasse 2 Garching bei M√ºnchen, , D-85748 Germany

File:Hubble views new supernova in Messier 82.jpg

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