NASA’s Parker Solar Probe’s solar arrays have deployed.
Delta IV Third Stage Separates from Parker Solar Probe
Cheers and applause can be heard from the launch teams as NASA’s Parker Solar Probe separates from the United Launch Alliance Delta IV Heavy third stage.
Delta IV Second Stage Separation, Third Stage Ignition
Main engine cutoff of the second stage and separation from the third stage has occurred as part of the launch of NASA’s Parker Solar Probe.
Delta IV Second Stage In Coast Phase
The Delta IV Heavy second stage has fired its RL10 engine for the second and final time and is now in a coast phase for the launch of NASA’s Parker Solar Probe.
Delta IV Second Stage Final Firing
The Delta IV Heavy second stage is firing its small thrusters to position itself and NASA’s Parker Solar Probe into the proper position to fire its main engine for the final time during the mission.
Delta IV Second Stage Takes Over, Payload Fairing Jettisoned
The Delta IV Heavy upper stage main engine has started its burn following on-time booster engine cutoff and booster separation as part of NASA’s Parker Solar Probe launch.
Liftoff! The ULA Delta IV Heavy Rocket Clears the Launch Pad With NASA’s Parker Solar Probe
Booster ignition and liftoff of the United Launch Alliance Delta IV Heavy rocket at 3:31 a.m. EDT, from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida, carrying NASA’s Parker Solar Probe.
T-4 Minutes and Counting
The Parker Solar Probe countdown is underway toward a liftoff at 3:31 a.m. EDT.
T-4 Minutes and Holding
The launch countdown is in a T-4 minute hold. The launch team is proceeding toward launch of a United Launch Alliance Delta IV Heady rocket carrying Parker Solar Probe on a mission to the Sun.
Parker Solar Probe Named for Physicist
In 2017, Parker Solar Probe was renamed for Eugene Parker, the S Chandrasekhar Distinguished Service Professor Emeritus, Department of Astronomy and Astrophysics at the University of Chicago.