The Hubble Space Telescope reached orbit with a mirror ground to the wrong shape by a fraction of a human hair, and astronauts repaired the billion-dollar mistake by effectively giving it glasses

The Hubble Space Telescope reached orbit with a mirror ground to the wrong shape by a fraction of a human hair, and astronauts repaired the billion-dollar mistake by effectively giving it glasses

Hubble’s first images did not look like the beginning of a new era in astronomy. Stars that should have appeared as sharp points arrived with fuzzy halos.