A Discord server, like the one Alastair hosts, is an invite-only space within the platform where users can chat via text, voice and video.
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Elon Musk's SpaceX company has a contract to build the lander - which will be flown to the Moon on a SpaceX Starship rocket. But delays to the Starship rocket have led Nasa to ask SpaceX for a new streamlined plan to speed a return to the Moon.