Number 8 (Story #1), November 12, 1990 by Phillip F. Schewe and Ben Stein USING COMPUTER ENHANCEMENT TECHNIQUES to compensate for primary-mirror flaws, Hubble Space Telescope scientists have been able to produce pictures of various celestial objects, such as Pluto with its moon Charon, which would have been difficult or impossible to produce using ground-based telescopes. (The Washington Post, November 1, 1990.)