File:Artist’s impression of snow lines around TW Hydrae (9329010073).jpg

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An artist's concept of the snow line in TW Hydrae showing water ice covered dust grains in the inner disc (4.5–30 astronomical units, blue) and carbon monoxide ice covered grains in the outer disc (>30 astronomical units, green). The transition from blue to green marks the carbon monoxide snow line. The snow helps grains of dust to adhere to each other by providing a sticky coating, which is essential to the formation of planets and comets. Due to the different freezing points of different chemical compounds, different snow lines can be found at various distances from the star.

More information: http://www.eso.org/public/images/eso1333a/

Credit:

B. Saxton & A. Angelich/NRAO/AUI/NSF/ALMA (ESO/NAOJ/NRAO)
Date
Source Artist’s impression of snow lines around TW Hydrae
Author European Southern Observatory

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by European Southern Observatory at https://flickr.com/photos/51207680@N04/9329010073 (archive). It was reviewed on 7 November 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

7 November 2018

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current14:09, 7 November 2018Thumbnail for version as of 14:09, 7 November 20181,500 × 1,800 (786 KB)Jo-Jo Eumerus (talk | contribs)Transferred from Flickr via #flickr2commons

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