BBCNEWS BBC News December 25, 2021 12:22:00
Milestones. a few minutes into the launch which is that those solid boosters strapped on the side they will expand the propellant. they do most of the work of getting the rocket up. and once they have burned through, they will come off and that will be the first stage finished. and then the main rocket will push up. we are getting higher and higher out over the atlantic. you can see at the bottom left hand of the screen is a simulation of where the rocket should be, the altitude it should be and the speed it should be getting to at this moment. it needs to get to escape velocity to escape the ...