By now you should have watched the video about satellites. This screenshot showing a satellite passing over the Highlands was taken from about 17 minutes into the programme – did you notice at the time?
It was quite eye-opening to see just how much modern society relies on satellite technology. I’ve got some more examples of the uses for satellites below.
A satellite moves horizontally at constant speed but also accelerates vertically towards the planet’s surface due to gravity. Thankfully, the curvature of the Earth means the satellite doesn’t crash but keeps on orbiting the planet.
Satellites can be used for environmental purposes, such as