The changing colours of the universe Stretching light In our expanding universe, galaxies are rushing away from us at vast speeds. Nearby galaxies, only millions of light years from Earth, are speeding away at hundreds of kilometres every second. More distant galaxies, billions of light years away, are rushing away at speeds in excess of 100,000 kilometres every second. A natural consequence of this rapid expansion is the stretching of light via the Doppler Effect.
Taking afternoon tea in the Orangery of a Georgian townhouse is almost as indulgently nostalgic as the eclectic collection of intricate fans, or “trifles” as history has often described them, on show at the Fan Museum