Datoteka:Artist's concept of collision at HD 172555.jpg
Izvor: Hrvatska internetska enciklopedija
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Sažetak
| Opis |
English: This artist's concept shows a celestial body about the size of our moon slamming at great speed into a body the size of Mercury. NASA's Spitzer Space Telescope found evidence that a high-speed collision of this sort occurred a few thousand years ago around a young star, called HD 172555, still in the early stages of planet formation. The star is about 100 light-years from Earth.
العربية: تصور لفرضية الاصطدام العملاق التي يعتقد أنه شكّل القمر.
Français : 70 à 95 % de l'eau de la Terre daterait d'avant la formation de la Lune issue de l'impact de Théia sur la Terre. Cet impact aurait entraîné la volatilisation d'une partie de l'eau déjà formée mais la majorité serait restée condensée, ce qui impliquerait que seulement de 5 à 30 % de l'eau de la Terre provienne d'un apport extra-terrestre (comètes et météorites) ultérieur (source |
| Datum | |
| Izvor | http://www.nasa.gov/multimedia/imagegallery/image_feature_1454.html |
| Autor | NASA/JPL-Caltech |
Licencija
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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Warnings:
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Izvorna evidencija postavljanja
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| Upload date | User | Bytes | Dimensions | Comment |
|---|---|---|---|---|
| 2009-08-26 15:17:12 | Originalwana | 365408 | 3000×2400 | Higher res |
| 2009-08-20 10:20:04 | Cmlisse | 28820 | 600×480 | {{Information |Description = |Source = |Date = |Author = |Permission = |other_versions = }} |
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| Datum/Vrijeme | Minijatura | Dimenzije | Suradnik | Komentar | |
|---|---|---|---|---|---|
| sadašnja | 21:30, 28. studenoga 2009. | | 3.000 × 2.400 (357 KB) | CommonsHelper2 Bot | {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Move to Commons}} {{Information |Description = {{en |This artist's concept shows a celestial body about the size of our moon slammi |
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