ecoportal.net7 天
Goodbye to James Webb Telescope – NASA wants to see the Big Bang with this monster
NASA wants to view the Big Bang with this behemoth, so it's saying goodbye to the James Webb Telescope. The new one redefines ...
sciencex3 年
NASA's Webb Telescope reaches major milestone as mirror unfolds
NASA's James Webb Space Telescope team fully deployed its 21-foot, gold-coated primary mirror, successfully completing the final stage of all major spacecraft deployments to prepare for science ...
The Washington Post28 天
A rare look at NASA’s next sharp-eyed space telescope
The assembly of the telescope ramped up this ... The central feature of the telescope is an exquisitely polished, concave primary mirror, 2.4 meters (7.9 feet) in diameter. The primary mirror ...
来自MSN2 个月
A space walking robot could build a giant telescope in space
The James Webb Space Telescope was squeezed inside ... a Large Aperture Space Telescope with a wide-field, 25-meter primary mirror that operates in visible light. LAST is the backdrop for the ...