December 25, 2021Reputable sourceWell documented
James Webb Space Telescope launches
On the timeline · around December 25, 2021 ·
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
- NASA Science. James Webb Space Telescope (mission page) · Reputable source