Heat shield safety concerns raise stakes for Nasa’s Artemis II Moon mission

By Ed Macaulay, Lecturer in Physics and Data Science, Queen Mary University of London

The astronauts Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen are preparing to launch into space on a trajectory that will make them the first humans to travel to the Moon in over half a century.

Their 10-day mission, known as Artemis II, loops around the Moon but will not land. It will see them travel 4,700 miles (7,600 kilometres) beyond the lunar far side in Nasa’s Orion spacecraft. As such, the four astronauts will travel further…

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