Everything has a timeline

TiMELiNES

1990

Optical flaw discovered

A defect in the primary mirror sharply limited the telescope's early performance.

Canonical milestoneOrbit1 timeline

Context

Appears In

TimelineTimeline of the Hubble Space Telescope

Position 6

Authority

Sources

NASAConfidence 98%

Taxonomy

Tags

spacenasaastronomy