NASA’s Webb Space Telescope is approaching its most critical deployment phase, the deployment of the sun visor that lowers temperatures by 600 degrees F.
NASA it has contingency plans if its James Webb Space Telescope does not deploy. The first stages of your deployment process, deploying the sunshade, have already begun. However, it will take several days to expand to full size, making it one of the most harrowing steps of the entire mission. Furthermore, the telescope cannot be deployed until the sun visor has been deployed, shielding the delicate mechanisms from the sun’s heat, which would overwhelm measurements of the distant infrared wavelengths it is designed to detect.
NASA has a lot of experience in challenging situations. Backup systems and safes are standard protocols for space missions. Unfortunately, once a spaceship has left the ground, there are few repair options. The low Earth orbit team sometimes gets an update courtesy of the astronauts, but anything further afield is unlikely to get a helping hand for the foreseeable future. By the time manned missions travel further afield, the value of the aging requirement could make it unworthy of the effort.
NASA’s James Webb Space Telescope is ready to push, pull, swing and turn to assist with the deployment process. In an interview with Keith Parrish, director of the Webb Telescope observatory and a key member of the project team since 1997, Mashable discussed the development process and what could be done if something goes wrong. There should be no need for these special maneuvers, and Parrish described such an event as meaning “having a bad, bad day.” During the ground phase, plans are made for bad and bad days, and additional power can be supplied to the deployable mechanisms if required for pushing and pulling. If components remain stuck, an earthquake will involve a sequence of thruster burns to shake the spacecraft a bit. A twist would mean pushing to initiate a twist to apply a centrifugal force to the components.
Webb telescope deployment process
NASA’s James Webb Space Telescope will not be fully operational until approximately 29 days after launch. It is a slow and painstaking process, and many steps must happen sequentially. The solar array has already been deployed and the sunshade frame has been opened. The next step is to extend a tower that separates the telescope from the rest of the spacecraft. The most perplexing step follows: unfolding the parasol, a five-layer membrane that will lower the temperature on the sensor-laden side of the observatory. by an incredible 600 degrees Fahrenheit. If the contingency plan is needed, you are most likely in this phase of the process.
Once the sunshade is opened, which in itself takes more than a week, a radiator unfolds to help cool the scientific instruments. The secondary mirror, the smaller circular mirror that focuses the light from the primary mirrors, can be deployed at this stage. Finally, the primary mirror should begin to move into position on the 12th, after launch. 13 days later From NASA The James Webb Space Telescope launched into space, the system should be fully deployed and ready to align the mirrors and head toward its final L2 orbital position nearly a million miles from Earth.