Saturday, March 31, 2012

The size of the universe

There are over 200,000 galaxies in this picture alone, each containing billions of stars. This picture represents a very small portion of the sky. The size of the universe really is incomprehensible.

This view shows a section of the widest deep view of the sky ever taken using infrared light, 
with a total effective exposure time of 55 hours. This picture shows a region of the sky 
known as the COSMOS field in the constellation of Sextans (The Sextant). 
More than 200,000 galaxies have been identified in this picture.
CREDIT: ESO/UltraVISTA team. Acknowledgement: TERAPIX/CNRS/INSU/CASU 

Click here to see the full size version-- fair warning, it's a pretty big file (8.8 mb).

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