I saw in a film that a hero misses to catch a space ship. He is going to enter into the mars's atmosphere in a few mins. Not wanting to get burnt away, He takes off his helmet. His eyes were not seen. Hair was lost. Face became shabby and he died instantly. What was going on? pl. Explain.
123740
You are open to the absolute vacuum of space. Now if you understand vacuums the tighter it is the higher potential pressure on anything containing matter. Therefore when exposed to a vacuum all the fluids of your body will rapidly escape with the thin layers of flesh not even slowing them down. Think of a water balloon that has been overfilled.
623977
It was an accident...or foul play it was never determined.  They were doing a stunt with guns and they though they were unloaded, no bullets were ever added and the other actor pulled the trigger and instead of nothing (like what was supposed to happen) a bullet hit Brandon and he died.  I believe he was killed instantly.
226106
I don't recall any Star Trek episodes where that was an issue.  Most Klingon Warriors I know died honorably in Battle.  My DOB is 5310.07, so I'm only 1/3 there.  I'll bet Star Trek, Klingon on Google will give you something to go on.  Live Long and Prosper.
67367
The image depicts the first moments after Deep Impact's probe interfaced with comet Tempel 1. The illuminated -- and possibly incandescent -- debris is expanding from the impact site. The rough-hewn edges at the top and bottom of the flash are a result of light given off at impact saturating some of the pixels in the camera's imager. The pixels "bleed" excess electronic charge onto adjacent pixels in the same column. \n\nProbably not testing weapons, at least no in this scenario.
147171
the surface of earth moves at a very high speed. (~ 1674 km/h)\n\n(2 * pi * 6400 km)/ 24 hours\n\nBut the atmosphere surrounding the earth also moves with same speed. So it keeps us dragging the person who jumps and make sure he falls "vertically" at the same place.\n\nIf there is no atmosphere around a planet and if you jump there from helicopter, you can feel the difference.\nOn this planet, if you jump from ground, you will move along with planet because of Newton's first law. (similar to throwing a ball up in a travelling car. the ball will travel along with car)
639937
It happenned to me too.  I got in a motorcycle wreck in '69, when I woke up two days later, it shocked the doctors, not to mention my family.  I saw no light, no angels, no afterlife.  The light bulb scenerio is about right, myself, I think about it more as a blooming flower.  The stem lives on (your children, and other family members) but the older ones die out and fall away.  Even in animals, (and we humans are animals too) they lose thier parents, their siblings, their newborns, and they seem to forget about it in no time.  We humans make a big deal of it, as if our individual life is meaningful.
93022
I'm not an engineer, but it would be worth a test. I'm not sure it would have the desired effect, though. Her first five compartments were compromised by either the gash or buckling of steel and popping rivets. Water entering there and allowed to flood evenly would still pull the bow down (although not as sharply) and water would reach the engine rooms and boilers, compromising the pumps even sooner.\n\nThey closed the water tight doors thinking it was the right thing to do. But the watertight compartments only went up to E deck at which point water flooded over their tops to the next compartment. Why didn't they enclose the watertight compartments? Why didn't they have enough lifeboats? Why was the steel so inferior?\n\nA new theory was just presented on Discovery Channel andbased on a recent discovery. They found two intact cross sections of the double-bottomed hull laying in the debris field. These sections traversed the ship from keel hull to keel hull. The theory is that the ship didn't crack as portrayed in the film, but a crack started at the top of the ship and then the ship bowed like a wide U, popping off the bottom hull sections, flooding the engine room, and creating the smashed uppper decks we see on the ocean floor (previously explained as smashed downward during impact with the ocean floor).
283685
The only person I have ever seen die was a motorcyclist in Chicago. He & a friend were trying to beat the train. Friend 1 (who had a helmet on) swerved around those train sticks (what the heck are they called?) and made it past. Friend 2 (who didn't have a helmet) did the same but SMACK right into the train. He was thrown back and fell onto the ground while his head drained the blood out of it. He died almost instantly. \n\nI was about 9 yrs. old and traumatized for life!
625910
a) It will decrease in speed as soon as the accelerative force of the explosive gas ceases to be greater than the drag of the gun barrel or the air or other media it passes through. This could mean that it begins to slow down in the barrel, or soon after leaving it. Certainly, after a few feet from the gun barrel one would expect the gases from the gun to be dissipated and the bullet to begin to be dragged by the air. However, the reduction in speed of a high velocity bullet could be negligible for seconds after firing.\n\nb) As soon as the bullet leaves the barrel it will begin to drop towards the earth. The formula for this is: \ndistance =0.5*acceleration*(time-squared)\n\nAcceleration at sea level is 9.81 metres per second per second. Thus it will take almost exactly 2 seconds for the bullet to drop the 20 metres from your firing platform. (square root of [20/(0.5*9.81)]  )\n\nc) See b above. The bullet is acted upon by gravity at all times. It is only prevented from being accelerated downwards by a force equal or greater to its weight pushing it up. In your example the gun barrel supports it until the bullet leaves the barrel, then begins to fall. Even if you pointed the gun straight up, the bullet will be slowed by gravity as soon as it leaves the barrel and gases behind, gradually slowing to a stop and falling back to land on your head.\n\nIf the bullet had enough horizontal velocity to make it to the horizon within two seconds, it would have acheived the required "escape velocity" to leave or orbit the earth, always falling but never landing. As the horizon at sea level is eight miles away this would need a speed of 28,800 miles per hour or 46,340 kilometers per hour. \n\nThe speed of sound is c.1,220 km/hour, so this would be 38 times the speed of sound!\nThe muzzle velocity of most military calibres is c.700metres/second or 2, 520 km/h or twice the speed of sound.\n\nThus in the two seconds it takes the bullet to fall to earth it would have carried some 1,400 metres.\n\nd) Very much so!
336845
Good question. Most of the time the word "hero" is used when someone does get killed by doing something good. But in movies,the ending can ruin the whole movie if the hero dies.
530299
Oh man.... that is funny stuff.\nBut can't Superman fly only with his cape on? And the guy didn't notice the cape? lol  :P
274214
Neil stepped on the ground first.  Buzz did it second.  And Michael was taking repeated trips around the moon while all of this was happening waiting for the landlubbers to return back in their lunar module to link up with his rocket, and return the three back to earth.  Michael musta been bored.  And probably cried too.  Poor guy.
97107
Would depend on the environment they were placed in - in a modern city, the caveman would be dead within a matter of minutes probably by being hit by a car, as they would have no conept of what that was. In a plains or tundra environment, the Astronaut would survive as they are trained with survival skills and can learn, but the caveman would be adapted and would prosper where the astronaut would wait for rescue and not plan for long term survival.
599044
Comics (in the 70's) showed him using his heat vision and a mirror to shave his beard.  It is a little inconstant since he has flown very close to the sun and he does not burn his hair off his head.  So maybe the heat vision is hotter then the surface of the sun?!?!?\n\nAlso in the 70's the comics suggested that everything that came from Superman's ship that carried him as a child has gotten the same invulnerability that Superman got from the sun.  That is why his suit so rarely needs repair as it was made from the blankets that were around him as a baby.  Maybe he uses the ships parts to make him some clippers?
117622
Drifting out in space because there would be no hope or not even a slight chance of being rescued. At least if ur still on earth there is that chance.
357822
poor fella! nobody's answered. there is a story, a complicated one for that matter. it ties into the bag-on-line adventures, a couple comic books written by singer claudio sanchez that are quite sci-fi in nature. umm... hit up the coheedandcambria.com links and see if you get some more in depth info. hope that helps and be prepared to be mindboggled :P
463739
I'm a doctor, specifically a surgeon, but I never learned anything about this in my medical training.  However I'm also a rock climber and mountaineer of long standing and I was taught specific things about survival over many years by supposed experts.  Unlike the data that I use to support surgical decision making, where I review the science directly, I have not reviewed the science directly on this.  I do know this much, however: the method by which the conclusion is reached involves filming athletes with an infrared camera while they exercise.  \n\nI was quoted 30% of heat is lost through the head.  Not 80%.  80% would be silly.  30% is already a LOT if you consider that it represents nearly a third of your heat loss, for a body part that represents significantly less than 10% of your total body surface area.  The reason that this occurs (sadly enough) is NOT because of the brain.  Well... maybe in my case it's because of my incredibly powerful brain... but for the rest of you, its the SCALP.  :)\n\nThe scalp is enormously vascular.  Where a foot long gash in the skin of the thigh or back would be painful, it wouldn't be life threatening.  A foot long gash through the scalp, on the other hand, can absolutely lead to fatal bleeding.  I have seen people die like this, both in the mountains and in the city.\n\nThe heat loss through the head comes from the extremely efficient heat exchange between the scalp and the surrounding air.  The scalp has EVOLVED to be a radiator just like the ears on an elephant.\n\nAt altitude, temperature management can be a lot of work.  The principle is to retain warmth but not moisture.  There's nothing worse than being sticky sweaty AND cold.  A warm hat which breathes well, and which can cover the ears is essential.  The key is to put it on BEFORE you get cold.\n\nI hope that helps.