Artemis 1: NASA conducts “wet test” of mission;  See how to look

Artemis 1: NASA conducts “wet test” of mission; See how to look

After a long delay, NASA was finally able to launch the “wet test” of the Artemis 1 mission, the main pre-launch test, currently scheduled for August. The process began last Saturday and will end on Monday (20). A press conference is being held on the 21st, where the results of the analysis should be announced.

In the latest update released by NASA, engineers have been linked to the main phase of the Orion spacecraft and SLS (Space Launch System free translation). The teams also installed a variety of systems, rockets and spacecraft on the ground and worked to create connectors that connect rockets and spacecraft to the launcher and are used to supply electricity, communications, cooling and fuel. The process is being broadcast live by NASA.


Remember the “wet test” of Artemis 1

The “wet test” is a test that could fuel a NASA rocket and guarantee launch. The test originally began on April 1, but after identifying a series of serious failures in loading liquid hydrogen and liquid oxygen into SLS thrusters, NASA decided to suspend the process to prioritize the launch of the AX-1 mission, the first private man to enter international without any federal agency active astronauts on April 8. Flight to the space station (ISS).

Thus, the “wet training” was resumed next Monday (12), expected to be completed on Wednesday (14). This time, the responsible teams preferred to make changes to the process, supplying only the main phase liquid hydrogen and liquid oxygen, not filling the upper phase.

Supply for SLS, which will carry the Artemis-1 mission to the moon on platform 39B at the Kennedy Space Center in Cape Canaveral, Florida
Fueling the SLS carrying the Artemis-1 mission to the moon on platform 39B at the Kennedy Space Center in Cape Canaveral, Florida / Photo: NASA / Joel Kowsky

However, again, things did not go as planned, and the training was postponed with the expectation that it would resume on the 21st of that month. Following the announcement of this probable date, NASA announced the recall of the SLS + Orion stack back to the Vehicle Assembly Building (VAB) for further analysis of the faulty valve and hydrogen leak identified in the Mobile Launch Tower and to proceed with the necessary repairs. In one of the umbilical cord arms connecting the tower to the rocket.

At 7:00 a.m. on the 26th, Brasilia time, the mega-rocket and Orion spacecraft VAB arrived at the Kennedy Space Center, Florida, after a 10-hour journey from launch pad 39B. Taken for review.

Since then, teams have been working to address identified issues. The faulty valve has been replaced, and engineers have found that the rubber pile prevents it from sealing properly. According to the agency, the wreckage was not part of the valve and its origin is under investigation.

They also found that some of the screws in the umbilical cord connecting the turret to the rocket were slightly loosened by the relaxed pressure in the joints, causing fuel leakage.

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Artemis program

50 years after the last human lunar mission in history, the Artemis program aims to re-establish a human presence on the moon. Artemis 1 will be the first in the Artemis lunar program. In this initial mission, the Orion capsule goes to Earth’s natural satellite without a crew for about a month.

According to NASA, the mission could last 26 to 28 days or 38 to 42 days, depending on the day SLS could take off. “Before returning to Earth, the duration of the mission changes by a half-turn or 1.5-turn around the Moon in distant retrograde orbit,” he explained in a statement to the agency.

If all goes well, the Artemis 2 mission will send astronauts to a similar project around the moon in 2024. Therefore, in 2025 or 2026, Artemis 3 will land astronauts near the moon’s south pole.

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