Do you think a manned spacecraft will land on Mars in your lifetime?
|Yes, we'll land there in the next 20 years||20.87%||6016|
|Probably, I imagine I'll see it before I die||41.77%||12041|
|Maybe, but I wouldn't bet on it||23.18%||6682|
|Probably not, it will be long after I'm gone||10.03%||2890|
|No, and I doubt man ever will make it to Mars||4.15%||1196|