By Tom Acres, technology reporterElon Musk's company with a licence to put its most powerful rocket system through its paces, saying it met all safety and environmental requirements. How will the first orbital test work?The rocket system's second stage - the craft that would carry a crew of astronauts in the future - would then be deployed and complete a full orbit of the Earth, before re-entering the atmosphere and splashing into the Pacific. NASA hopes to have used Starship to transport astronauts to the lunar surface for the first time in more than 50 years via its Artemis programme