btw what's fascinating to me is that while JWST relies on ground-control to figure out where it is in space, the Roman telescope knows EXACTLY by using state-of-the-art great-great-grandchild of the system that was on the SR-71, using 18 guide-stars and gyroscopes, etc.
ck2•54m ago
* https://svs.gsfc.nasa.gov/14942/
launch info
* https://nextspaceflight.com/launches/details/6983/
btw what's fascinating to me is that while JWST relies on ground-control to figure out where it is in space, the Roman telescope knows EXACTLY by using state-of-the-art great-great-grandchild of the system that was on the SR-71, using 18 guide-stars and gyroscopes, etc.
* https://ntrs.nasa.gov/citations/20240010650
* https://www.northropgrumman.com/what-we-do/space/spacecraft/...
it's just so amazing, including a 500mbps downlink (JWST "only" has 28mbps) for 1.5TB per day