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1 vote
1 answer
80 views

Rotation and orientation of James Webb's mirror from ground stations

There are definitely pre-determined plans in the agenda of the James Webb telescope to take images from the universe, but if there is a need for any reason (intentional or emergency) to change the ...
Merlin's user avatar
  • 49
1 vote
0 answers
25 views

What is the fastest that ParkinsonSat spun? Did it vary with solar activity?

Why would photon pressure be needed to keep ParkinsonSAT Spinning? explains that it was equipped with surfaces that resulted in a sunlight-induced torque which have ...succeeded in keeping the ...
uhoh's user avatar
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