EMR phototubes have been used in space telescopes with precision equivalent to the ability of viewing a soccer ball in New York City from a telescope in Paris!
(EMR phototubes; have been used; L:in space telescopes with precision equivalent to the ability of viewing a soccer ball in New York City from a telescope in Paris)
EMR phototubes
have been used
L:in space telescopes with precision equivalent to the ability of viewing a soccer ball in New York City from a telescope in Paris