Bitesize space science spectroscopy and the composition of stars jon chase describes how different elements absorb and emit light of specific wavelengths or colours.
What are satellites used for bbc bitesize.
Satellite will be tuned to australian vegetation when you made a mobile phone call a satellite may well have been used to route your call.
So we place satellites in orbit around the earth what we do is we.
Planet s current 150 shoebox sized doves are being superseded by a new generation of small satellites that double from four to eight the number of colour bands recorded on their camera sensors.
He explains how this can be used to identify which elements are present in distant stars by analyzing the spectrum of radiation coming from these stars.
Satellites record history of antarctic melting.
Satellites orbiting the earth are used for navigation meteorology astronomy and communication.