SpaceX Polaris Dawn Mission: Overview, Significance and Reason Behind the Delay
SpaceX will attempt launch of Polaris Dawn mission on Wednesday, following its recent setback. Here's everything you need to know about the mission.
Photo Credit: X/ SpaceX
SpaceX's Falcon 9 rocket will now launch the Crew Dragon spacecraft on August 28
Highlights
- SpaceX delays Polaris Dawn launch to August 28
- Helium leak detected on Falcon 9's Quick Disconnect
- Crew ready despite launch delay to August 28
SpaceX Polaris Dawn mission was set for launch on Tuesday, August 27, but faced a technical setback owing to technical issues. The mission, which will be launched by a SpaceX Falcon 9 rocket carrying the Crew Dragon capsule, is notable for the first-ever privatised spacewalk. It is bankrolled by billionaire Jared Isaacman – the founder of electronic payment company Shift4, with an estimated investment of more than $100 million (roughly Rs. 839 crore).
Despite the setback, SpaceX has assured that both the Falcon 9 rocket and the Crew Dragon capsule remain in good condition, and the crew is prepared for their journey to low Earth orbit.
Mission Overview
Polaris Dawn is the first mission under the Polaris Programme, a human-spaceflight initiative funded by billionaire Jared Isaacman. Isaacman, who will command the mission, is joined by pilot Scott "Kidd" Poteet, a former U.S. Air Force lieutenant colonel, and SpaceX engineers Sarah Gillis and Anna Menon. The mission's standout feature is the planned spacewalk, scheduled for Day 3, which will mark the first extravehicular activity (EVA) on a commercial mission.
- Crewed SpaceX Mission Delayed After Leak in Ground Equipment
Polaris Dawn's Significance
This mission is significant not only for its planned spacewalk but also for its role in pushing the boundaries of commercial space exploration. Polaris Dawn is expected to pave the way for future missions under the Polaris Program, setting new milestones in human spaceflight.
The crew's readiness and the robust design of the Falcon 9 and Crew Dragon systems indicate that despite the delay, the mission is on a promising path to success.
Reason for Delay
The mission's delay is linked to a ground-side helium leak on the Quick Disconnect umbilical, a crucial interface that connects the Falcon 9 rocket to the launch tower. While helium is not used as a propellant, it plays a vital role in pressurising the fuel lines that feed the Falcon 9’s Merlin engines. The mission’s target altitude of 870 miles (1,400 kilometres) will take the crew farther from Earth than any manned mission since Apollo 17 in 1972.
- SpaceX Polaris Dawn Mission Will Include the First-Ever Private Spacewalk
New Launch Schedule
The Polaris Dawn mission will now attempt to lift off at 3:38 a.m. EDT (0738 GMT) on Wednesday, with two additional backup opportunities at 5:23 a.m. EDT (0923 GMT) and 7:09 a.m. EDT (1109 GMT). Space enthusiasts can watch the live stream of the launch via SpaceX's webcast, starting around midnight EDT (0400 GMT).
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