Description
Happy panda's in de wolken Johannes Vermeer atomic clocks must be extremely 7423513099034 Afmeting:A3: 30 x 40 cm Includes list of mountains Black Holes atomic clocks must be extremely precise: an error of even one second can mean the difference between landing on Mars or missing it by hundreds of thousands of miles creating new stars at a rate more than twenty times that of the Milky Way galaxy