I would like to ask how to achieve the movement of the background stars in the Celestia software when a given angular velocity is provided, while keeping the main stars and planets stationary. The second question is whether the brightness of the background stars can be adjusted.
I would like to ask how to achieve the movement of the background stars in the Celestia software when a given angular velocity is provided, while keeping the main stars and planets stationary. The second question is whether the brightness of the background stars can be adjusted.