In your own words, explain why the period between 1960 and 1969 is regarded as the busiest period in space exploration history. what are two technological advancements or discoveries from this time period

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3