Artist’s impression of snow lines around TW Hydrae

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.

Credit:

B. Saxton & A. Angelich/NRAO/AUI/NSF/ALMA (ESO/NAOJ/NRAO)

Bookmark and Share

About the Image

Id:eso1333a
Type:Artwork
Release date:18 July 2013, 20:00
Related releases:eso1333
Size:1500 x 1800 px

About the Object

Name:TW Hydrae
Type:• Milky Way : Star : Circumstellar Material
• X - Illustrations
Distance:180 light years

Image Formats

Großes JPEG
785.9 KB
Screensize JPEG
335.0 KB

Zoomable


Wallpapers

1024x768
250.7 KB
1280x1024
399.8 KB
1600x1200
550.9 KB
1920x1200
603.1 KB
2048x1536
804.1 KB

Also see our