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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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Peer reviewed Peer reviewed
ERIC Number: EJ514107
Record Type: CIJE
Publication Date: 1994
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0036-8555
Correcting Hubble Vision.
Shaw, John M.; Sheahen, Thomas P.
Science Teacher, v61 n9 p16-19 Dec 1994
Describes the theory behind the workings of the Hubble Space Telescope, the spherical aberration in the primary mirror that caused a reduction in image quality, and the corrective device that compensated for the error. (JRH)
Descriptors: Astronomy, Earth Science, Optics, Science Education, Secondary Education, Space Sciences
Publication Type: Reports - General; Journal Articles
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Telescopes