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# Distress signal from Mars?

## Let's suppose the first manned mission on Mars takes place, but a landing malfunction leaves the ship stranded on Mars. The crew members are intact and even have the food supply to survive for at least the time they would have taken to return back to Earth. Will NASA be likely to organize a rescue mission in this case? The costs would probably be enormous and there is also an additional risk for the rescuers. What YOU think would be the best decision?

This is a HUGE question for the safety conscious folks at NASA. It is fairly obvious that the Mission to Mars will have to be staged from the International Space Station. That is the only way NASA can get sufficient materials and supplies up into orbit prior to the mission launch. In other words, several launches will take supplies and materials up to the ISS and once everything needed is collected there, it will be assembled into one space ship and then launched toward Mars.

The idea that you could have one or two fully loaded ships on standby for emergencies is desireable but probably not within the realm of possibility. That would double or triple the cost of the Mission and place it into some distant time frame completely.

The crux of the situation is the amount of fuel needed to lift the fully equipped space ship and accelerate it to Escape Velocity at launch from the surface of the Earth. In most launches the objective was to shoot a probe or technical package out into space which took lots of fuel carried in boosters strapped to the main body of the rocket. When all of that boost fuel was used up, the boosters fell off and the main rocket continued on until all of its fuel was also used up.

In the Mars Mission case, one must calculate how much air, water, food, will be needed for one astronaut for one year. Then you must multiply that by three, four, or six depending upon how many people will be on the mission. convert that into pounds of payload.

Now the planet Mars has a gravity force which is similar (not the same, but similar) to that of Earth. Recall the Lunar Landing Mission on the Moon? The Moon's gravity is 1/3 that of the Earth's. So the Lunar Mission's return launch sequence did not require the use of much fuel (relatively speaking). In other words, you have seen television film of launches from Earth, right? You will have to use that much fuel times two for a Mission Launch from around the Earth and a Mission Launch from the surface of Mars (no International Space Station there).

Okay...

Now here is the issue...

You will need to carry much more fuel and supplies. So, you need a bigger rocket than previous models. To accelerate that bigger rocket to Escape Velocity, you will need more fuel.

Well, if you need more fuel to do that job, you will need a bigger rocket to carry it.

Oh, you need a bigger rocket? Well that bigger rocket and all of that additional fuel will weigh more, so you will need more fuel to accelerate it to Escape Velocity. If you want to carry more fuel, you will need a bigger rocket ship...

ETC., ETC.

Various compromises and adjustments need to be made to get out of the fuel/weight/acceleration requirements loop. So, it will be most interesting to see what the planners actually come up with for this Mission. Also, please understand that I have oversimplified much of the logistical aspects of this situation to illustrate the problems faced by a voyage of this duration.

If you eliminate the live pilots and explorers you also eliminate a great deal of the payload weight for air,
food, and other consumeable supplies. You also give up
the feature of human solution of unexpected problems
not allowed for in software programs prepackaged in
the systems that are actually launched. Many examples of those software and equipment problems have been seen in previous news reports following the efforts of NASA. In a number of cases these equipment failures and software problems have resulted in mission disasters. With humans on board, it would be very nice if the entire Mars program went off disaster free.
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# Other Career Questions

 How hard is it to get a worthwhile career in the astronomy field?I'm in my mid-twenties and all my life have been pegged as an artist only, because it's what I'm good at. While I have enjoyed art in my life thus far I've been increasingly more interested in astronomy and space as of late. Is there any job I could get into right away to learn more about it and decide if it's the field for me or is it a type of career that involves intense schooling first? 4 answers - Asked By: Oscar - 8/9/2009 What jobs are there concerning astronomy?I find astronomy and space really interesting but don't know where i could go if i studied it further, what jobs could i go into that will give me a stable lifestyle? 3 answers - Asked By: - 2/13/2010 What are some jobs with astronomy/space?I love planets and everything, I just don't know of any cool or exciting job with it. I don't want to go to school for like ten years and then finally get a job at NASA 1 answer - Asked By: Kaylee - 12/2/2012
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## Is this normal for an interviewer to do this?

So today I went in for an interview and I was going in for the 2nd interview by the head chief executive. now this is where it got weird, so she asked me about my previous jobs and said how much she liked that product over that product. then she started talking about her daughter? an her divorce ...then how she didn't finish college because she was making more money doing what she did for this company ... then she talked about how her teenage daughter is a handful... I just played it cool thinking she was using some sort of psychology thing to trick me into saying something stupid. the interview ended and she seemed happy an I was escorted to the door... now I'm freaking confused? is this normal behavior for an executive? like it felt like she was going to burst into tears at one point and tell me her life problems... is this normal? was she trying to see how I react or something?

## How do I get a job with Dodgy work history and no experience?

Basically- no degree, although I have tried completing one in the past and stopped because of physical and mental health issues which were overwhelming to deal with along with going to classes full time. I'm not stupid and I am quite articulate. I am 23 and have only worked for about two years retail in high school and stopped working to go to university. I worked a few months in 2010 retail after I dropped out but it was only a seasonal position, and the only reason why I have not been able to constantly work is because of mental health issues. I had also tried going back to community college during my free time since i left university in 2008/9 and I had panic attacks while in community college, which made my anxiety worse from then on. Well recently I met a good doctor and he prescribed me some meds that are stabilizing my moods and I feel the best I've felt in years, and I'm ready to work. Thing is, I don't know how to get a job now since I've spent literally years being depressed and anxious doing nothing. I don't really have anything to put on my resume, and I never finished my AA degree either. All I've done is cashiering and although I do the job well and I get promoted easily when I do these jobs because I'm a hard worker and I try to go above and beyond what they ask of me,which is the attitude I have no matter what kind of work I'm doing as long as I'm getting paid. But I hate cashiering because it's too easy and I want a job that is more interesting. Any suggestions for me on how to get a job that is NOT Retail with the type of background I have right now? I also realize I have to go to college to get certain types of jobs, I am talking about what I can do right here right now.

## Why honesty, hard work and dedication have no place at work?

Recently I have overlooked for a project at work and I am unable to accept it why? I am hard working, dedicated, maintain a very professional decorum, very cordial with my colleagues and bosses, give respect to one and all. Still people who take the p***, argue with managers, gossip mongers have been selected for some very responsible positions at work. I seriously can't get my head around it why, why unprofessional people who have no work ethics being selected over me, whereas I have a track record of excellent performance and never shy away from any work my manager ask me to do? I am at my lowest point and not getting hold of my manager to ask the question why not me, why them who can't even bother? I am feeling like a complete loser, giving years to this place, building my performance, trust and this is how I get rewarded. Why my life is so shit, anything I wish for turns to dust?

## What do you say when they ask what you want to be paid? ?

Wen you apply at a job and they ask how mch you want as a salary what do you say?

## I have applied for over 100 jobs I have gotten no calls for a job interview, what can i do?

As stated in my question I've applied for multiple jobs and gotten no job interview, you name a place I've applied there. I've said i will work ridiculous hours from like 12am to 5am and nothing. I've said I am willing to work weekends public holidays everything and I have gotten nothing back I am so desperate for money it's not funny.

## What to wear to a job interview VS a career fair?

So I have a nice white button up shirt, business skirt and pants, and a suit jacket. I'm applying for a software development job and I'm very short and can look young so I'm trying to look adult, yet professional. I'm also attractive so I'm trying not to look too sexy. For the career fair I'm thinking of wearing just my nice shirt and a skirt with low heels. My reasoning being it's approachable and attractive without going overboard since the career fair hosts are mostly younger male recent grads. I want to be remembered but not intimidating. For my interviews I was thinking pants, suit jacket (power suit). My reasoning being it'll be older execs and HR people (mostly women) so less sexy with the pants but more powerful with the suit jacket. What do you think?!

## How can l find a job in the pharmacitical field as a sales and marketing manager,in south africa?

L want to study medicine and work as a doctor but l am limited due to luck of required monyes. however l swtched on to anther career but still within my career interests as a care giver, but this is somthing to do with sales and marketing in the pharmcitical industry.

## What questions should I ask at a job interview for a healthcare recruiter position?

I have an interview tomorrow with a healthcare recruiting firm and I want to have a few good questions to ask about the job/industry, but it will be a new field for me and I'm not sure what to ask about. Any suggestions?

## I want to become an events/party planner. Does anyone know how I would begin my own business in this field?

I am in the process of planning my own wedding and I am having a fantastic time doing so. I have always enjoyed planning things: group vacations for my friends and I, road trips, etc... I could be described as a slight control freak and I am a perfectionist. I know I would exceed, and enjoy my career, if I were to make this a possibility. How do I do it? How do I get my name out there? How much do event planners charge for their services? I have a lot of questions, and hope that people who are self employed would be able to give me some pointers on getting my business up and running. Thank You in advance for your time and help.

## Job description of supply and logistics manager?

I am applying for a job of supply and logistics manager so I need to know more about the this job

## I am a student who is working at Deloitte during this summer. What is the dress code during the summer?

Being a student my budget is limited so any help regarding specific retail outlets to go to would be very helpful. I am working in downtown toronto for Deloitte (accounting firm) and the summers are very hot here in Canada. Any specific advice on what clothing items this MALE student should wear to work would be helpful. The dress code is "business casual". As if any student knows what that means.

## What is the difference between a nurse practitioner and an ARNP?

Is there any difference between a "nurse practitioner" and an "advanced registered nurse practitioner"?

## Debenhams job application/interview help?

I'm applying online for a job at Debenhams. It's just a temporary part time job but I have no previous retail experience, just in customer service, and I am finding some of the questions rather difficult. Our commitment to training and development encourages our people to grow their futures with us. If successful in joining our team, how will you become an expert at what you do? and At Debenhams, our people make all the difference to our customers. If you were a Stock Movement Adviser with us, how would our customers know that you are focused on their individual shopping experience? Any help in answering these questions would be greatly appreciated, many thanks!

## Math Teacher?

I am going to college in about a year or so and planning on going to school for teaching...I am hoping to be a high school level math teacher and just wondered if you guys knew of any good schools with a good teaching or math program?

## Where to find Java Mobile Application developer in Singapore ?

I am looking for someone (or company) to program a simple (I think) java mobile application, but do not know where to look. Any ideas where to start ?

## How much does an Electrical Engineer make?

I'm thinking of completing an Electrical Engineering degree and was wondering what people are making just out of college and those that have been in the field 5+ yrs. The main careers I am looking at are Design Engineer and Technical Sales Engineering. Any input from people with those jobs would be great!

## Why does NCO-RMH in Manila give delayed paychecks to their resigned employees. it's a call center company?

I was told by the people in the HR department that our checks have to come from Pensylvannia. Does it normally take that long? I mean more than two months for a paycheck that i worked hard for.?

## I want to become an Escrow Officer, does anyone know how to go about it? What kind of training will I need?

I know that Escrow is within Title industry in Texas. What would be the best way to get my foot in the door. I am assuming I will have to start as an Escrow assistant and work my way up, but I would really like to find out more about this career path. How does an officer usually get licensed? Are there classes we need to take and exam to take? Any response is appreciated.
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