dealing with rising energy costs. after a two year pause due the pandemic, europe s largest street party kicks off its final day at the notting hill carnival in west london. nasa has cancelled today s launch of its most powerful rocket, artemis i, which had been due to take off for an unmanned test flight to the moon. the us space agency said one of its engines developed a bleed that could not be fixed in time. the next possible launch date is not until friday. the artemis programme is aimed at returning humans to the moon. if successful, the plan is for astronauts to be on board the flight in two years time. let s show you some live pictures from the scene right now. huge disappointment, really, with nasser cancelling artemis i. the window for the launch had begun about half an hour ago, but the us space agency said one of its engines had developed a bleed, which could not be fixed in time. let s talk to dr becky smethurst, astrophysicist at the university of oxford and aut
some live pictures from the scene right now. huge disappointment, really, with nasser cancelling artemis i. the window for the launch had begun about half an hour ago, but the us space agency said one of its engines had developed a bleed, which could not be fixed in time. let s talk to dr becky smethurst, astrophysicist at the university of oxford and author of. a brief history of black holes, which will be available on thursday. thank you for being with us. a bit of a black hole here because we have a four day wait until the next opportunity for launch?- opportunity for launch? yes, unfortunately, opportunity for launch? yes, unfortunately, so opportunity for launch? yes, unfortunately, so you - opportunity for launch? yes, unfortunately, so you have l opportunity for launch? yes, l unfortunately, so you have got opportunity for launch? 133 unfortunately, so you have got to remember this is a brand new rocket that nasa have developed for the artemis programme to take humans back t