128K views · 3.5K reactions | 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 | Facebook

41K views · 925 reactions | NASA's James Webb Space Telescope has...

4.8K views · 358 reactions | You might know the basics about the James Webb Space Telescope, but we have answered some more in depth questions for you, like why hexagons? And why not assemble Webb in orbit? More: https://nasa.tumblr.com/post/176199455864/8-common-questions-about-our-james-webb-space | NASA's James Webb Space Telescope | Facebook