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NASA begins testing of its giant Space Launch System rocket

Categories: SCIENCE NEWS

                     US space agency NASA has started the testing of its giant Space Launch System (SLS) rocket.The critical two-day-long test comes as NASA gears up to return human beings to the Moon.It is also known as the "wet dress rehearsal," due to the liquid hydrogen and liquid oxygen that will be loaded into the rocket.The test, which started at 5:00 pm Eastern Time (2100 GMT), will determine the launch date for Artemis 1.

                     It was rolled out to Launch Complex 39B at the Kennedy Space Centre in Florida around two weeks ago.Rollout of the 32-story-tall Space Launch System (SLS) rocket and its Orion crew capsule marks a key milestone in US plans for renewed lunar exploration after years of setbacks, and the public's first glimpse of a space vehicle more than a decade in development.NASA has said it was reviewing potential Artemis I launch windows in April and May, but the timeline could slip depending on results of the dress rehearsal.

                   The SLS-Orion, which cost some $37 billion to develop including ground systems, constitutes the backbone of the NASA's Artemis programme, aimed at returning astronauts to the moon and establishing a long-term lunar colony as a precursor to eventual human exploration of Mars.


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