The Hubble Deep Field, shown here, is a patch of sky in the constellation of Ursa Major the Great Bear. It was originally chosen because it was an empty and apparently blank patch of sky - so no ...

Our deepest look into space so far is the 10-day exposure by this telescope, called the Hubble Deep Field, that is celebrated in the first of the three "Mysteries of Deep Space" programs.

It’s a composite image of an area of space known as the Hubble Ultra-Deep Field, and it took hundreds of hours to produce using the telescope’s Wide Field Camera 3. The observations revealed ...