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Sight to ponder: Hubble eXtreme Deep Field 2014

A collage of our universe’s galaxies 2014

From Space Telescope.org:

The Hubble eXtreme Deep Field— and more

The Hubble eXtreme Deep Field (2012) combines all previous observations of the Hubble Ultra Deep Field

Published in 2012, the Hubble eXtreme Deep Field is not a new set of observations, but rather a combination of many existing exposures (over 2000 of them) into one image. Combining the Hubble Ultra Deep Field, the Hubble Ultra Deep Field – Infrared, and many other images of the same small spot of sky taken over almost 10 years, the Hubble eXtreme Deep Field pushes the limit even further. It is made up of a total of 22 days of exposure time (and 50 days of observing time, as the telescope can only observe the deep field for around half of every orbit.)

The last Hubble Ultra Deep Field released in 2014 was observed in ultraviolet. This image allowed astronomers to study star formation in a region 5 to 10 billion light-years away from us. The study is called the Ultraviolet Coverage of the Hubble Ultra Deep Field (UVUDF) project. The addition of ultraviolet data to the Hubble Ultra Deep Field using Hubble’s Wide Field Camera 3 gives astronomers access to direct observations of regions of unobscured star formation and may help to fully understand how stars formed. More.

See also: If ID theorists are right, how should we study nature?

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