Precise Ariane 5 launch likely to extend Webb's expected lifetime

After a successful launch of the NASA/ESA/CSA James Webb Space Telescope on 25 December, and completion of two mid-course correction manoeuvres , the Webb team has analysed its initial trajectory and determined the observatory should have enough propellant to allow support of science operations in orbit for significantly more than a 10-year lifetime (the minimum baseline for the mission is five years).

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