Corrective Optics Space Telescope Axial Replacement (COSTAR)

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Overview

Ball Aerospace built the Corrective Optics Space Telescope Axial Replacement (COSTAR), which corrected a spherical aberration in the Hubble Space Telescope’s primary mirror. The aberration inhibited Hubble’s ability to properly focus light. Known as “the eyeglasses for Hubble,” COSTAR restored the telescopes imaging capabilities during the first servicing mission in 1993.

COSTAR made the imaging performance of Hubble close to the theoretical optimum, allowing observations to be made with the full sensitivity and resolution for which Hubble was designed.

Servicing Mission 4 Activities

Astronauts removed COSTAR during the final servicing mission in 2009. New instruments incorporate an internal correcting optical system based on COSTAR’s successful design.

Programs

CALIPSO

CloudSat

EPOXI/Deep Impact

GDPAA

GMI

Guardian

Green Propellant Infusion Mission

HiRISE

Hubble Space Telescope

James Webb Space Telescope

JPSS

F-35/Lightning II

Kepler

Landsat Data Continuity Mission

Mast-Mounted Sight

Mk 20 Camera

MOIRE

OMPS

QuickBird

QuikSCAT

SBSS

SBUV/2

Seasparrow

Sentinel

Spitzer

STORRM

STP-SIV

Suomi NPP

TEMPO

WISE

WorldView spacecraft series

WorldView-1

WorldView-2