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Dr. John Barentine, an astronomer, dark sky consultant and historian of astronomy in Arizona, even pointed to the background image he uses for video calls as he spoke with Salon: it's a global composite image of Earth made by remote sensing platforms in space.

Another was in the commercial remote sensing regulatory affairs division, affecting the staff responsible for oversight of remote sensing from space that allows us to understand the scale of the problem of light pollution down on Earth.

The use of the radio spectrum is regulated internationally by the Radiocommunication Sector of the International Telecommunication Union, which publishes regulations allocating frequency ranges for different services or uses such as astronomy, remote sensing, communication and navigation, and also provides thresholds on power flux densities not to be exceeded by other services.

Because there are so many locations to be monitored, "this saves us a lot of time," says Itziar Irakulis Loitxate, the remote sensing lead for the International Methane Emissions Observatory, which is responsible for MARS.

Tandridge District Council's leader Catherine Sayer said remote sensing called LiDAR would be used to create 3D maps instead of borehole testing.