When an object turns around an internal axis (like the Earth turns around its axis) it is called a rotation. When an object circles an external axis (like the Earth circles the sun) it is called a revolution. rotation revolution axis spin orbit.
Radio telescopes have to be much larger than optical telescopes because the wavelengths of radio waves are so much larger<span> than the wavelengths of visible light.
just search it up on Google . . .</span>
South pacific forum was a local version of the Commonwealth. Was organise to support political stability. A major objective of the south pacific forum founded in 1971 was expanding the copra trade.
