Editing Galileo project (section)

===Probe deployment===
The ''Galileo'' probe separated from the orbiter at 03:07&nbsp;UTC on July 13, 1995,<ref name="galileo-arrival" /> five months before its rendezvous with the planet on December 7.{{sfn|D'Amario|Bright|Wolf|1992|p=24}} At this point, the spacecraft was {{convert|83|e6km|e6mi|sp=us|abbr=off}} from Jupiter, but {{convert|664|e6km|e6mi|sp=us}} from Earth, and telemetry from the spacecraft, transmitted at the [[speed of light]], took 37 minutes to reach JPL. A tiny frequency change in the radio signal indicated that the separation had been accomplished. The ''Galileo'' orbiter was still on a collision course with Jupiter. Previously, course corrections had been made using the twelve {{convert|10|N|adj=on}} thrusters, but with the probe on its way, the ''Galileo'' orbiter could now fire its {{convert|400|N|adj=on}} [[Messerschmitt-Bölkow-Blohm]] main engine which had been covered by the probe until then. At 07:38 UTC on July 27, it was fired for the first time to place the ''Galileo'' orbiter on course to enter orbit around Jupiter, whence it would act as a communications relay for the ''Galileo'' probe. The ''Galileo'' probe's project manager, Marcie Smith at the [[Ames Research Center]], was confident that the LGAs could be used as relays. The burn lasted for five minutes and eight seconds, and changed the velocity of the ''Galileo'' orbiter by {{convert|61.9|m/s|sp=us}}.<ref>{{cite press release |title=Critical Engine Firing Successful for Jupiter-Bound Galileo |publisher=NASA/Jet Propulsion Laboratory |url=https://www.jpl.nasa.gov/news/critical-engine-firing-successful-for-jupiter-bound-galileo/ |access-date=19 January 2021 |archive-date=February 1, 2021 |archive-url=https://web.archive.org/web/20210201000728/https://www.jpl.nasa.gov/news/critical-engine-firing-successful-for-jupiter-bound-galileo/ |url-status=live }}</ref>{{sfn|Meltzer|2007|pp=194–195}}