Something HUGE is unfolding for NASA's James Webb Space Telescope. In a recent test, the spacecraft fully deployed its iconic primary mirror into the same configuration it will have in space. Why this test is key to a successful mission: https://go.nasa.gov/2JLZuTP | NASA - National Aeronautics and Space Administration

22K views · 410 reactions | In the month after its launch NASA's James Webb Space Telescope—the largest space telescope ever constructed—will unfold to its full operating size, including deploying its sunshield and gold-plated mirrors. All while traveling to its ultimate observing location, beyond the orbit of the Moon! This animation shows the planned sequence of events. #UnfoldTheUniverse. Credit: NASA's Goddard Space Flight Center. | Space Telescope Science Institute | Facebook