The James Webb Telescope is completely open, but it still has a burn to do. See when here
The James Webb Telescope is completely open, but it still has a burn to do. The James Webb Telescope, the world's most powerful telescope, is currently unfolding in space, but that doesn't mean it's over. According to NASA's, Webb will still have to burn and only then will orbit L2. L2 is a point of gravitational equilibrium in the far part of the Earth, far from the Sun. But let us tell you about the next burn Webb has to make. Now that it's open, Webb is moving at a much slower speed to point L2 to keep its components, which are very sensitive, safe.
The new burning that Webb will do is to correct its path to L2. This way Webb is controlled to go exactly to point L2, where NASA wants. The burn will be called Mid Course Correction Burn (MCC2) - Begins L2 Insertion and will start in approx. 11 days. And 3-4 days after this burn, Webb will successfully orbit L2.
"The James Webb Space Telescope is launched on a direct path to an orbit around the second Sun-Earth Lagrange Point (L2), but it needs to make its own mid-course thrust correction maneuvers to get there. This is by design, because if Webb gets too much thrust from the Ariane rocket, it can't turn around to thrust back toward Earth because that would directly expose its telescope optics and structure to the Sun, overheating them and aborting the science mission before it can even begin. , Webb gets an intentional slight under-burn from the Ariane and uses its own small thrusters and on-board propellant to make up the difference." NASA claimed in a post.
Webb has so far made 3 burns, both of which have been successful and have corrected its trajectory so that it goes exactly to L2, which is also confirmed by NASA. "There are three mid-course correction (MCC) maneuvers: MCC-1a, MCC-1b, and MCC-2. This final burn, MCC-2, which inserts Webb into its L2 halo orbit." said the US space agency.
NASA broadcast live this morning, coverage of the unfolding of the second of Webb Telescope's primary mirror wings. If you haven't seen it, you can watch it here: https://www.bailey-universe.com/l/nasa-broadcasts-live-coverage-of-the-unfolding-of-the-second-of-webb-telescopes-primary-mirror-wings-see-here/
We wish NASA and Webb success in a few days, a fascinating image of the beginning of the road.
Article by: Andacs Robert Eugen, on 08 January 2022, at 10:15 am Los Angeles time
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