Bitesize gcse science physics space astronomer at the royal observatory greenwich tom kerss on satellites a satellite is any object that orbits around what we would call a superior body that just means another object which is bigger or heavier than the satellite itself.
What are satellites used for bbc bitesize.
Planet s current 150 shoebox sized doves are being superseded by a new generation of small satellites that double from four to eight the number of colour bands recorded on their camera sensors.
Revise the solar system including comets and asteroids satellites orbital speeds and gravitational field strength with bbc bitesize gcse physics.
Satellites record history of antarctic melting.
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 orbiting the earth are used for navigation meteorology astronomy and communication.
Bitesize space science spectroscopy and the composition of stars jon chase describes how different elements absorb and emit light of specific wavelengths or colours.