The following excerpts are taken from the book, “A Short History of Nearly Everything”. These are truly awesome statements.
Astronomers these days can do the most amazing things. If someone struck a match on the Moon, they could spot the flare.
With their radio telescopes they can capture wisps of radiation so preposterously faint that the TOTAL amount of energy collected from outside the solar system by all of them together since collecting began in 1951 is “less than the energy of a single snowflake striking the ground,” in the words of Carl Sagan.