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A month ago, four astronauts travelled further from Earth than any human ever has,

round the dark side of the moon. That was Artemis 2.

Artemis 3 and 4 are planned to follow with the establishment

of a moon base being the goal. It's exciting and expensive and eye-catching. Meanwhile, the world's richest

man Elon Musk still plans to get humankind to Mars and colonise it? Is that at all realistic?

And what are scientists hoping that all this effort will achieve? Step into the briefing

remodule and together we'll find out.

To discuss this, I'm joined by Julia Baum, whose research associate at the Freeman Air and Space Institute

in the School of Security Studies at King's College London,

Professor Andrew Coates from the Mullard Space Science Laboratory

at University College London,

and Libby Jackson,

whose head of space at the Science Museum in London

and her career in the space industry

has included being a flight director for the International Space Station.

Libby Jackson, for those who've been living on Mars,

what was Artemis II?

Artemis II was the first mission to the vicinity of the moon

for more than 50 years.

We had four astronauts.

Reid Wiseman was the commander, Victor Glover, the pilot, Christina Cook, mission specialist, and

...