This is the deepest X-ray image ever obtained, made with over 7 million seconds of observing time with NASA’s Chandra X-ray Observatory. These data give astronomers the best look yet at the growth of ...

This is the deepest image ever taken in X-rays, representing over seven million seconds of Chandra observing time. For that reason, and because the observed field is in the southern hemisphere, ...

CC0 Usage Conditions ApplyClick for more information. What happens when astronomers use Chandra to take a long look at the same patch of sky? That's the question the project known as the Chandra Deep ...

Astronomers may now know the cause of an historic supernova explosion that is an important type of object for investigating dark energy in the universe. The discovery, made using NASA’s Chandra X-ray ...