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December 25, 2021Reputable sourceWell documented

James Webb Space Telescope launches

On the timeline · around December 25, 2021 · James Webb Space Telescope launches2016201820202022202420262028

What happened

Webb launched to the Sun-Earth L2 point and unfolded its 6.5-meter gold mirror in the most complex deployment ever attempted remotely.

Why it matters

It sees the first galaxies and weighs exoplanet atmospheres — Hubble's successor, working flawlessly.

Sources

James Webb Space Telescope launches — A Timeline of Space Exploration · SourcedStory