Page 29 - Rocket Engines News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Tooth its own horn to advertise, right? they put this thing together, they put it online and they hoped it would go viral and did it ever. a half million hits on youtube. here is more of it. watch. >> mars is actually really hard to slow down, because it has just enough atmosphere that you have to deal with it, otherwise it will destroy your spacecraft. on the other hand, it doesn't have enough atmosphere to finish the job. >> reporter: in reality seven minutes of terror, megyn is actually 21 minutes of suspense, because rover's radio signal takes 14 minutes to get 150 million miles away on ma...

Surface, this sky crane fires a number of rocket engines and lowers the thing closer to the surface and then the rover itself pops out, drops its wheels and it hangs there on cables from this rocket. sounds like so much technology and an awful lot of room, scott, for something to go wrong. >> well that's right, jon. you went through the entire scenario as some refer to it, seven minutes of terror. i was actually at nasa headquarters when we reviewed the requirements for the lander because of the terrain it is landing in they couldn't do direct landing with retro rockets straight to the surface...

world heard of osama bin laden there was shake omar, a blind egyptian cler irk who was the spiritual leaders of the 1993 world trade center bombers. he was later convicted of plotting to blow up other new york city landmarks and is serving a life sentence in the u.s. but now a surprise development. egypt's first democratically elected president, who will be sworn in tomorrow, is vowing to free him whom he calls a political prisoner. our cnn senior international correspondent, dan rivers, is in cairo. dan, tell us about this speech in general by president-elect mohammad morsi. >> repo...

moment? >> well, i think it was pretty clear from the information we were getting in the days before this that they had fully fueled the rocket and that the launch pad was ready. i guess it was just a matter of finding the right weather conditions under which to launch this rocket. very clearly, they had the right launch conditions today. politically, they were able to elevate this young fellow to the highest position within the party the day before yesterday, so politically the stage was set. now they have done what they said they were going to do for several weeks now. >> so what a...

Back in the apollo days we got up there in two or three days. it took a different route, that's for sure. the way this puppy went up, it used what we call the balance position or the balance point between the earth and the sun. it uses that kind of to get a free ride basically to the moon. at some point when the spacecraft turned around it split into two. now we have not one but two orbiters that are making their way around the moon. so they've got into orbit yesterday. right now they're 100 or so miles in orbit. over the coming weeks they'll fire a couple of more rocket engines and get them i...