We anticipated the spacecraft's star scanner would detect about 300 to 400 pulse counts of radiation, so imagine our surprise when the instruments showed Galileo had flown through 1,400 pulse counts,  -   Jim Erickson     Quotes
We anticipated the spacecraft's star scanner would detect about 300 to 400 pulse counts of radiation, so imagine our surprise when the instruments showed Galileo had flown through 1,400 pulse counts, Jim Erickson