SPACEPhotos: Parker Solar Probe Pre-LaunchA rendering of NASA's Parker Solar Probe, which will get closer to the sun than any other spacecraft before it.NASAEugene Parker, middle, attends a media conference on Thursday, Aug. 9, 2018 at Kennedy Space Center prior to the launch of NASA's Parker Solar Probe. At left are Nicola Fox, project scientist, and Thomas Zurbuchen, associate administrator for NASA's Science Mission Directorate.Emre Kelly / FLORIDA TODAYIn a wide-angle view at the Astrotech processing facility in Titusville on July 11, 2018, technicians and engineers prepared to mate NASA's Parker Solar Probe to its third stage, built and tested by Northrup Grumman in Chandler, Arizona.NASA / Glenn BensonNASA’s Parker Solar Probe is wheeled into position in a clean room at Astrotech Space Operations in Titusville for pre-launch testing and preparations.NASA / Johns Hopkins APLNASA’s Parker Solar Probe is loaded aboard a truck after being flown to Space Coast Regional Airport in Titusville on the morning of April 3, 2018, by a C-17 from the U.S. Air Force’s 436th Airlift Wing. The spacecraft was taken to Astrotech Space Operations for pre-launch testing and preparations.NASA/Johns Hopkins APLA Delta IV Heavy rocket lifts off from Cape Canaveral Air Force Station in 2012.United Launch Alliance