Once in the desired orbit, they often need some form of attitude control so that they are correctly pointed with respect to the Earth, the Sun, and possibly
some astronomical object of interest.
Not exact matches
They were once known as the «vermin
of the skies» because they ruined
astronomical photographs as they passed in front
of the
object of interest.
It would be
interesting to see what kind
of opportunities for
astronomical discoveries are awaiting for us, what happens when we point the microscope towards
objects in space.