| This
one-million-second image, known as the "Chandra Deep Field South"
since it is located in the Southern Hemisphere constellation of Fornax,
is the deepest X-ray exposure ever achieved. Most of the objects seen in
the Chandra Deep Field South are active galaxies and quasars powered by
massive black holes. Also in this Chandra Deep Field South image, for the
first time in such deep exposures astronomers detect X-rays from many galaxies,
groups, and clusters of galaxies. The intensities of the X-rays in this
image are depicted, from lowest to highest energies, by red, yellow, and
blue respectively. |
 |
Another
early exciting discovery to emerge from the Chandra Deep Field South is
the detection of an extremely distant X-ray quasar shrouded in gas and dust.
The discovery of this object, some twelve billion light years away, is key
to understanding how dense clouds of gas form galaxies with massive black
holes at their centers. |
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