HST_v_bw_o_TPMBK (Perkin-Elmer promo photo, neg. no. 2044-79)
"Engineers checking the quality of Hubble's main mirror, during the manufacture process."
cdn.spacetelescope.org/archives/images/screen/main_mirror...
www.spacetelescope.org/about/history/aberration_problem/
All above per: Hubble Space Telescope/ESA website/NASA
Interesting article, of many:
www.newscientist.com/article/mg12717301-000-the-testing-e...
Credit: New Scientist website
Thank God for corrective optics.
Press slug on the verso:
"Engineers measure the curvature of the 94-inch space telescope mirror being ground for the National Aeronautics and Space Administration by Perkin-Elmer Corp. of Wilton, Conn. The cell structue of the mirror is visible through its face. After grinding and polishing, the mirror will be coated with reflective material and fitted into the telescope for a scheduled 1983 launch from the space shuttle. The telescope will offer scientists their first high-magnification look at the universe without the "screen” of the Earth's atmosphere."
HST_v_bw_o_TPMBK (Perkin-Elmer promo photo, neg. no. 2044-79)
"Engineers checking the quality of Hubble's main mirror, during the manufacture process."
cdn.spacetelescope.org/archives/images/screen/main_mirror...
www.spacetelescope.org/about/history/aberration_problem/
All above per: Hubble Space Telescope/ESA website/NASA
Interesting article, of many:
www.newscientist.com/article/mg12717301-000-the-testing-e...
Credit: New Scientist website
Thank God for corrective optics.
Press slug on the verso:
"Engineers measure the curvature of the 94-inch space telescope mirror being ground for the National Aeronautics and Space Administration by Perkin-Elmer Corp. of Wilton, Conn. The cell structue of the mirror is visible through its face. After grinding and polishing, the mirror will be coated with reflective material and fitted into the telescope for a scheduled 1983 launch from the space shuttle. The telescope will offer scientists their first high-magnification look at the universe without the "screen” of the Earth's atmosphere."