Dosya:Variable stars close to the Galactic Centre.jpg
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Bu önizlemenin boyutu: 738 × 600 piksel. Diğer çözünürlükler: 295 × 240 piksel | 591 × 480 piksel | 945 × 768 piksel | 1.260 × 1.024 piksel | 2.520 × 2.048 piksel | 15.591 × 12.672 piksel.
Orijinal dosya (15.591 × 12.672 piksel, dosya boyutu: 126,89 MB, MIME türü: image/jpeg)
Özet
| Açıklama |
This image, captured with the VISTA infrared survey telescope, as part of the Variables in the Via Lactea (VVV) ESO public survey, shows the central part of the Milky Way. While normally hidden behind obscuring dust, the infrared capabilities of VISTA allow to study the stars close to the galactic centre. Within this field of view astronomers detected several ancient stars, of a type known as RR Lyrae. As RR Lyrae stars typically reside in ancient stellar populations over 10 billion years old, this discovery suggests that the bulging centre of the Milky Way likely grew through the merging of primordial star clusters. |
| Tarih | |
| Kaynak | https://www.eso.org/public/images/eso1636a/ |
| Yazar | ESO/VVV Survey/D. Minniti |
Lisanslama
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Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
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| Tarih/Saat | Küçük resim | Boyutlar | Kullanıcı | Yorum | |
|---|---|---|---|---|---|
| güncel | 01.10, 2 Ekim 2022 | | 15.591 × 12.672 (126,89 MB) | wikimediacommons>Юрий Д.К. | {{Information |Description=This image, captured with the VISTA infrared survey telescope, as part of the Variables in the Via Lactea (VVV) ESO public survey, shows the central part of the Milky Way. While normally hidden behind obscuring dust, the infrared capabilities of VISTA allow to study the stars close to the galactic centre. Within this field of view astronomers detected several ancient stars, of a type known as RR Lyrae. As RR Lyrae stars typically reside in ancient stellar populatio... |
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