1.   But the great number of faint galaxies led the astronomers to suspect they were close.

2.   Dr. Lanzetta and his colleagues analyzed with different filters the color of infrared light from the faint galaxies in the most distant images taken by the Hubble telescope.

3.   Scientists meeting at the American Astronomical Society discuss the possibility that the universe is filled with faint galaxies composed of dim stars and dark matter.

4.   The existence of many faint blue galaxies has been known for decades, but the distribution and the nature of these galaxies remain subjects of debate.

5.   Scientists using higher-powered telescopes to scan the heavens have discovered faint galaxies in an area once thought to be a great cosmic void.