Satellites are part of daily life. They are used for communications, weather forecasting, navigation, observing land, sea and air,
and military reconnaissance. Satellites are sent into space to orbit the Earth and
are also used in scientific research. Which of the following correctly describes the
role of satellites in scientific research?

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Hope the image of the frequency formula