51.   Early Wednesday, they pointed three shuttle telescopes toward two distant galaxies, the large and small Magellanic Clouds.

52.   Infrared radiation cannot be seen by the eye, but it is the most common type of light from distant galaxies.

53.   Reports of distant galaxies are coming in such great numbers that many astronomers believe they soon may be able to address the question of how galaxies are born.

54.   The researchers said this cyclic action in X-rays has not been found previously in a galaxy so distant from the Milky Way.

55.   Using these signals, scientists can create computer pictures of distant galaxies and interstellar gas clouds that are invisible to optical telescopes.

56.   He said the recent bursts might have been caused by a massive black hole in the middle of a distant galaxy that acts like a cosmic vacuum cleaner.

57.   A team of US scientists has discovered evidence of galaxies more distant from Earth than any other known celestial object, NASA said Wednesday.