The Corrective Optics Space Telescope Axial Replacement (COSTAR) is an optical correction instrument designed and built by NASA. It was created to correct...

Cosmic Origins Spectrograph (COS; 2009–present) Corrective Optics Space Telescope Axial Replacement (COSTAR; 1993–2009) Faint Object Camera (FOC; 1990–2002)...

Pillars of Creation is a photograph taken by the Hubble Space Telescope of elephant trunks of interstellar gas and dust in the Eagle Nebula, in the Serpens...

mission, in December 1993, it was replaced by the Corrective Optics Space Telescope Axial Replacement (COSTAR), which corrected the optical problem for the remaining...

Corrective optics were installed on the telescope during the first Hubble service and repair mission STS-61. The correction, Corrective Optics Space Telescope...

a 2010 American documentary film about Space Shuttle missions to repair and upgrade the Hubble Space Telescope. It is narrated by the actor Leonardo DiCaprio...

replace HST's High Speed Photometer (HSP) with the Corrective Optics Space Telescope Axial Replacement (COSTAR) system which would correct HST's spherical...

Hubble Space Telescope's anniversaries. They celebrate its "birthday" when it was launched into orbit on April 24, 1990, by the crew of Space Shuttle...

COS is installed into the axial instrument bay previously occupied by the Corrective Optics Space Telescope Axial Replacement (COSTAR) instrument, and...

and a term for a region in the Carina Nebula imaged by the Hubble Space Telescope. The view was captured by the then-new Wide Field Camera 3, though...