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View Full Version : NASA Approves Mirror for James Webb Telescope



Fraser
2005-Sep-21, 04:13 PM
SUMMARY: NASA announced today that it has selected a beryllium-based mirror technology for the 6.5 mirror on the James Webb Space Telescope - the successor to the Hubble Space Telescope. The primary mirror will actually be made up of 18 hexagonal-shaped segments, giving it 2.5 times more surface area than Hubble's mirror; but it will be one-third the weight. Construction of the mirror will begin next year, and the telescope is expected to launch some time after 2011.

View full article (http://www.universetoday.com/am/publish/james_webb_mirror_approved.html)
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