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NASA postpones Artemis 1 launch to September 3

A new attempt to launch the SLS rocket with the Orion spacecraft will take place on September 3 at 19:17 (Moscow time). Space Launch Delta 45 meteorologists predict good weather for the day, with a chance of rain, but not during the two-hour launch window.

The first launch attempt took place on 29 August. The problem arose in one of the four engines, which did not cool to the desired temperature. The team also found a hydrogen leak in the purge tank, which was quickly fixed.

In the coming days, the mission teams will change and work out the fuel loading procedure. The procedure will add a test of engines for cooling approximately 30-45 minutes before the start of the countdown. The teams are also setting up platforms at Launch Pad 39B so engineers can access the purge tank and re-test it.

The mission control team will meet again on Thursday to review the data and general readiness.

Artemis 1 is designed to demonstrate the endurance of the Orion. It must show that it is capable of ensuring the safety of astronauts during the journey and returning home, to perform stably in flight conditions from launch to splashdown, and to return safely through the Earth's atmosphere.

NASA postpones Artemis 1 launch to September 3