to be fair for a short while i be quite take with the sheer atmosphere of sunshine . the ship and the location and the effect . breathtaking . still and it do not take long for them to mess it up . here they go again . the wheel start to fall off about the time the crew start have a brawl . i be think and maybe the selection process should have focus a bit more on the maturity of the people save the human race . responsibility and all that . the story continue and we have a major catastrophe and the shield be damage a a result of a human memory malfunction . two observation represent1 . we have an intelligent ( . ) computer that will override their vital mission to fix the shield in a vital and life threatening way but it wouldn not bldy well make the one point something angle correction to the shield when they change course in the first place . ( which thus also endanger the mission ) since when do we let computer make judgment call . why do not they again use their code to override the computer for the mere 30 second or so it would take to save the captain life . 2. there be a huge and inconvenient fire in the oxygen produce compartment . now the computer tell the crew many useful thing but do it mention there be a fire . nope . be there an effective way to deal with this risk . again no . unless you consider burn the oxygen you need to survive effective . i might mention here that the implication be that the tree have create so much pure oxygen that the fire be particularly violent . um and surely you have be feed the tree co2 or basically the same air everyone be breathe . move on . we have the space jump from the icarus 1. some guy and we really do not care who and end up in the absolute cold of space behind the shield . absolute cold of space be 273 degree kelvin be tell and so pretty rapidly he freeze . now that tough i guess but it even worse and it just wrong . if we assume there be no radiant heat come from the shield itself here the story . space be a vacuum and a vacuum be nothing and so it be neither hot or cold . if and there be no radiant heat source present and then an object will radiate it heat without gain any in return until it all go . this occur at absolute zero which be 273 degree kelvin . good so far . the reason freeze instantly be rubbish be because the writer haven not realize that there be no heat loss by conduction ( a in air ) but only by radiation . this can be a very slow process . which be why we put hot drink in a vacuum flask to keep it hot and a vacuum be the best insulator . basically freeze would be the least of your worry in space without a suit . a few more minor point too sharp to swallow the shield have lot of move part and that do not appear to be useful . if the plan all along be for the shield bomb unit to fly into the heart of the sun and what be go to protect the spacecraft on the return journey . what be go to protect the bomb when it enter the sun and the heat could come from behind . why can you simply raise the and absolutely vital and mainframe computer out of it coolant without any safety device or alarm go off . ( to override a mission save action by the computer you need two people and security code . ) once you raise it and although it turn off and in a while it will destroy itself and somehow . to service it the best way be to dive into freezing water and use a. spanner . the system that raise and lower it have enough grunt to trap and maim a human be . when the computer go off the light go out and there be no emergency light . you can ask the computer to allow so much heat and light in that it will kill you . what the .