The origin of life must be assumed to be possible, and difficulties ignored, for scientists to put their hope in such extraterrestrial bodies like Europa. Even if life could originate naturally, there are many difficulties faced by a theory which states that life entered earth from outer-space.
Health physicists have a generous rate of wages. Entry level positions can start at around $42,000 and the top 10% in the industry make well over $110,000 per year. Median range for salaries is close to $66,000 per year, and this offer a competitive market even if you are new to this line of work.
As far as states with the best scientific jobs with the highest pay, Minnesota's physicists appear to come in first, according to BLS 2012 data, with a wage of $83.12 per hour. Medical scientists earn an average of $87,830 a year, and out of all research scientists, archaeologists appear to earn the least, at $55,890.