Lêer:Artist's concept of collision at HD 172555.jpg

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Opsomming

Beskrywing
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
Bron http://www.nasa.gov/multimedia/imagegallery/image_feature_1454.html
Outeur NASA/JPL-Caltech

Lisensiëring

Public domain 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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The original description page was here. All following user names refer to en.wikipedia.
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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Artist's concept shows a celestial body about the size of our moon slamming at great speed into a body the size of Mercury

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MIME type Engels

image/jpeg

checksum Engels

97b0f5e923eb9b05b0aa7193276714ea1e32b1cc

bepaling metode: SHA-1 Engels

data size Engels

365 408 greep

height Engels

2 400 pieksel

width Engels

3 000 pieksel

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Datum/TydDuimnaelDimensiesGebruikerOpmerking
huidig21:30, 28 November 2009Duimnaelskets vir weergawe vanaf 21:30, 28 November 20093 000 × 2 400 (357 KG)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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