Berkas:Stars Gather in 'Downtown' Milky Way.jpg
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Ringkasan
DeskripsiStars Gather in 'Downtown' Milky Way.jpg |
English: The region around the center of our Milky Way galaxy glows colorfully in this new version of an image taken by NASA's Spitzer Space Telescope.
The data were previously released as part of a long, 120-degree view of the plane our galaxy (see http://www.spitzer.caltech.edu/images/2680-ssc2008-11a-Spitzer-Finds-Clarity-in-the-Inner-Milky-Way). Now, data from the very center of that picture are being presented at a different contrast to better highlight this jam-packed region. In visible-light pictures, it is all but impossible to see the heart of our galaxy, but infrared light penetrates the shroud of dust giving us this unprecedented view. In this Spitzer image, the myriad of stars crowding the center of our galaxy creates the blue haze that brightens towards the center of the image. The green features are from carbon-rich dust molecules, called polycyclic aromatic hydrocarbons, which are illuminated by the surrounding starlight as they swirl around the galaxy's core. The yellow-red patches are the thermal glow from warm dust. The polycyclic aromatic hydrocarbons and dust are associated with bustling hubs of young stars. These materials, mixed with gas, are required for making new stars. The brightest white feature at the center of the image is the central star cluster in our galaxy. At a distance of 26,000 light years away from Earth, it is so distant that, to Spitzer's view, most of the light from the thousands of individual stars is blurred into a single glowing blotch. Astronomers have determined that these stars are orbiting a massive black hole that lies at the very center of the galaxy. The region pictured here is immense, with a horizontal span of 2,400 light-years (5.3 degrees) and a vertical span of 1,360 light-years (3 degrees). Though most of the objects seen in this image are located near the galactic center, the features above and below the galactic plane tend to lie closer to Earth. The image is a three-color composite, showing infrared observations from two of Spitzer instruments. Blue represents 3.6-micron light and green shows 8-micron light, both captured by Spitzer's infrared array camera. Red is 24-micron light detected by Spitzer's multiband imaging photometer. The data is a combination of observations from the Galactic Legacy Infrared Mid-Plane Survey Extraordinaire (GLIMPSE) project, and the Multiband Imaging Photometer for Spitzer Galactic survey (MIPSGAL). |
Tanggal | |
Sumber | http://www.spitzer.caltech.edu/images/3560-sig11-003-Stars-Gather-in-Downtown-Milky-Way |
Pembuat | NASA/JPL-Caltech |
Versi lainnya |
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Image use policy: http://www.spitzer.caltech.edu/info/18-Image-Use-Policy
Lisensi
Pemegang hak cipta berkas ini, NASA/JPL-Caltech, mengizinkan orang lain untuk menggunakannya untuk tujuan apa pun, dengan syarat pemegang hak cipta disebutkan. Distribusi ulang, karya turunan, penggunaan komersial, dan penggunaan lain diizinkan. | |
Attribution |
According to JPL's image use policy additional restriction is that no endorsement of any product or service by Caltech, JPL or NASA is claimed or implied.
Caltech's disclaimer: Caltech makes no representations or warranties with respect to ownership of copyrights in the images, and does not represent others who may claim to be authors or owners of copyright of any of the images, and makes no warranties as to the quality of the images. Caltech shall not be responsible for any loss or expenses resulting from the use of the images, and you release and hold Caltech harmless from all liability arising from such use. Usage on the English Wikipedia: On the English Wikipedia you can use the {{JPL Image}} template to display the copyright notice. (See w:Wikipedia:Using JPL images for details) |
Public domainPublic domainfalsefalse |
Berkas ini berada dalam domain publik di Amerika Serikat karena semata-mata diciptakan oleh NASA. Kebijakan hak cipta NASA menyatakan bahwa "materi NASA tidak dilindungi oleh hak cipta kecuali dicatat". (Lihat Template:PD-USGov, Halaman kebijakan hak cipta NASA atau JPL Image Use Policy.) | ||
Peringatan:
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Items portrayed in this file
menggambarkan
attribution only license Inggris
18 Maret 2011
image/jpeg
Riwayat berkas
Klik pada tanggal/waktu untuk melihat berkas ini pada saat tersebut.
Tanggal/Waktu | Miniatur | Dimensi | Pengguna | Komentar | |
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terkini | 3 Oktober 2012 13.58 | 16.000 × 9.000 (68,75 MB) | Sasha Krotov | full version | |
13 Juni 2011 19.02 | 6.000 × 3.375 (5,24 MB) | Spitzersteph |
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Metadata
Berkas ini mengandung informasi tambahan yang mungkin ditambahkan oleh kamera digital atau pemindai yang digunakan untuk membuat atau mendigitalisasi berkas. Jika berkas ini telah mengalami modifikasi, rincian yang ada mungkin tidak secara penuh merefleksikan informasi dari gambar yang sudah dimodifikasi ini.
Judul gambar |
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Pembuat | Spitzer Space Telescope |
Judul singkat |
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Kredit/Penyedia | NASA/JPL-Caltech |
Tajuk | A view from the bustling center of our galactic metropolis. Spitzer Space Telescope offers us a fresh, infrared view of the frenzied scene at the center of our Milky Way, revealing what lies behind the dust. |
Sumber | Spitzer Space Telescope |
Ketentuan penggunaan |
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Tanggal dan waktu pembuatan data | 18 Maret 2011 |
Lebar | 16.000 px |
Tinggi | 9.000 px |
Bit per komponen |
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Skema kompresi | LZW |
Komposisi piksel | RGB |
Orientasi | Normal |
Jumlah komponen | 3 |
Resolusi horizontal | 104,238 dpi |
Resolusi vertikal | 104,238 dpi |
Pengaturan data | format chunky |
Perangkat lunak | Adobe Photoshop CS3 Macintosh |
Tanggal dan waktu perubahan berkas | 18 Maret 2011 10.44 |
Ruang warna | Tidak dikalibrasi |
Informasi kontak |
http://www.spitzer.caltech.edu 1200 E. California Blvd. Pasadena, Ca - 91125, USA |
Kata kunci |
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