Voyager 1 reaches interstellar space

[john]

Not Voyager, but a look way out in space. Basically the Hubble telescope was pointed to an "empty" spot in the sky for more than 550 hours for what amounts to a very long time exposure photograph. This same picture was published in the past, but time has been added with improved equipment (revealing more). The light from some of the reddish galaxies has been traveling for more than 13 billion years. They are the most distant objects ever photographed and are seen as they were when the universe was very young. The image reveals about 5500 galaxies and hundreds of trillions of stars. So, this is what lies in a random black spot in the sky if you collect enough photons. To capture the whole sky you would need 30 million of these images.

This image, called the Hubble eXtreme Deep Field (XDF), combines Hubble observations taken over the past decade of a small patch of sky in the constellation of Fornax. With a total of over two million seconds of exposure time, it is the deepest image of the Universe ever made, combining data from previous images including the Hubble Ultra Deep Field (taken in 2002 and 2003) and Hubble Ultra Deep Field Infrared (2009).

Here is a video that gives you a perspective on the size of the image below in the sky. Click the link.
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