Here you'll find the most frequently asked questions regarding finance and feasibility:

• Is this for real?
• How much does the mission cost?
• What is the Mars One business model?
• What's the likelihood of this mission plan becoming reality?
• What can you do to support Mars One?
• How can I pay with Bitcoins?
• How does Mars One use revenues from donations, sponsor contributions and merchandise?
• Will Mars One meet the exact time schedule?
• If this mission succeeds, then what?
• Are there any others working on Mars missions?
• What's the historic success rate of Missions to Mars?

Here you'll find the most frequently asked questions regarding the plan and mission features:

• Why should we go to Mars?
• Why Mars? Why not another planet?
• How long does it take to travel to Mars?
• Is the journey to Mars safe?
• How has Mars One managed to work out the dates already?
• Is it safe to live on Mars?
• What are the risks of dust and sand on Mars?
• What will the astronauts do on Mars?
• What governmental system and social structure will be implemented on Mars?
• Is this a sustainable mission?
• Will the mission be harmful to Mars' environment?

Here you'll find the most frequently asked questions regarding the technical plan and used technologies and components:

• How does the Mars base communicate with Earth?
• Will Mars One use advanced technologies like terraforming and nuclear propulsion?
• Why is the Rover on the second instead of on the first mission to Mars?
• Will there be enough power during a dust storm?

Here you'll find the most frequently asked questions regarding the health of the astronauts:

• Will the astronauts suffer from radiation?
• Will the astronauts develop osteoporosis?
• Will the astronauts' bodies have deteriorated during the journey?
• What kind of medical facilities will be available on Mars?
• What if one of the Mars inhabitants passes away?
• Will psychological issues become a problem for the astronauts?
• Is this ethical?
• What’s Mars One’s view regarding religion on Mars?
• Can the astronauts have children on Mars?
• Will the astronauts have enough water, food and oxygen?
• How much living space will the astronauts have?

Here you'll find the most frequently asked questions regarding the selection of the astronauts:

• What are the qualifications to apply?
• Why is there a lower age limit to apply for the astronaut selection program?
• What is the upper age limit to apply?
• Can I already apply to become an astronaut?
• How will the astronaut selection proceed?
• Why will multiple groups train to go to Mars?
• How are the astronauts prepared?
• Which group of astronauts will go first?

The astronaut selection program will start in the first half of 2013. If you want to stay up to date, you can sign up for the Mars One Newsmail, and receive all updates and announcements regarding the Astronaut Application Program.

Here you'll find the most frequently asked questions regarding the selection of the astronauts:

• Can I apply as part of a group (family, couple)?
• Can I apply for someone else?
• In which languages can I apply?
• Can I apply in a language that is different from my native one?
• Why can’t I apply in my own language?
• What happens if I file an application in a language that is not English, Chinese (Mandarin), Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean or Indonesian?
• I am not able to apply for this selection program due to personal circumstances. Will I have an opportunity to apply for a later mission?
• I am not able to apply for this selection program due to age restrictions. Will I have an opportunity to apply for a later mission?
• I am not able to apply for this selection program due to health restrictions. Will I have an opportunity to apply for a later mission?

Here you'll find the most frequently asked questions regarding the registration fee:

• Why does Mars One charge applicants for a Registration fee?
• Why does the registration fee vary from country to country?
• Why do I pay the registration fee to IMG and not to Mars One?
• What’s the difference between Interplanetary Media Group and Mars One?
• I cannot pay the registration fee due to personal circumstances. Can I make a request for a reduction?
• I cannot pay the registration fee due to economic sanctions that are imposed on my country of residence. Can I make a request for an exemption?
• I cannot / do not want to pay with PayPal, how can I pay?

Here you'll find the most frequently asked questions regarding the selection of the astronauts:

• What data will be asked?
• What is the difference between private and public data?
• How does Mars One administer the information applicants provide in their application?
• Who can see the information a candidate submits in the application?
• How will Mars One use my application video? Do I give up the property rights of my application video?
• How to make a compelling video application?
• Once I have started filling in the application forms, can I finish the application process at a later time?
• What’s the difference between saving the application and submitting the application?
• What do I do if I want to change parts of my application?
• Can I change my application after I have submitted it?
• Can I “unpublish” a public profile once it appears online?
• Can I cancel my application if I decide I do not want to apply anymore?
• Will I get my registration fee back if I cancel my application?
• What roles do views, rating and popularity play in the astronaut selection?
• What is the closing date for applicants to apply for the astronaut selection program?

Here you'll find the most frequently asked questions regarding the selection of the astronauts:

• If I am admitted to the second round of the selection program, do I need to pay a second registration fee?
• How many regions there will be during the second round of the selection process? How large are the regions?
• What are the language requirements for round two of the selection program?
• Do candidates in later rounds of the selection program receive compensation/traveling expenses?