How much radiation comes in contact with the martian surface?

In summary, the amount of radiation on Mars is significantly higher than on Earth due to its thinner atmosphere and lack of a strong magnetic field. The main source of radiation on Mars is solar radiation from the Sun, with some contribution from cosmic radiation. The high levels of radiation on Mars can pose a health risk to humans, especially during long-term missions. While Mars lacks a strong magnetic field, it does have some natural barriers, such as the thin atmosphere and potential for underground structures, that can provide some protection against radiation. Scientists use instruments on orbiters and rovers to measure the amount of radiation on Mars and gather valuable data on the radiation environment.
  • #1
Imparcticle
573
4
How much radiation comes in contact with the martian surface? where can i find more info on this?

thanx.
 
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  • #2
The average exposure to background radiation on Earth is about 3.6 millisieverts per year. Per MARIE data, the average is about 180 millisieverts per year on mars. That's about 3 times higher than the NRC limit on annual exposure. The situation could, however, be much worse if a solar flare happened to be pointed at mars. Here is a link:
http://www.marssociety.org/news/2003/1210.asp
 
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  • #3
or did you mean solar radiation in general?
 

1. How does the amount of radiation on Mars compare to Earth?

The amount of radiation on Mars is significantly higher than on Earth. This is because Mars has a much thinner atmosphere and lacks a strong magnetic field to protect it from incoming solar and cosmic radiation.

2. What is the main source of radiation on Mars?

The main source of radiation on Mars is solar radiation, which comes from the Sun. Cosmic radiation from outside our solar system also contributes to the overall amount of radiation on the Martian surface.

3. How does the radiation on Mars affect potential human exploration?

The high levels of radiation on Mars can pose a significant health risk to humans, particularly during long-term missions. This is because prolonged exposure to radiation can increase the risk of cancer and other health issues.

4. Are there any natural barriers on Mars that can protect against radiation?

Mars does not have a strong magnetic field like Earth does, but it does have some natural barriers that can provide some protection against radiation. These include the thin atmosphere, which can block some of the radiation, and the potential for underground habitats or structures to provide shielding.

5. How do scientists measure the amount of radiation on Mars?

Scientists use instruments on orbiters and rovers to measure the amount of radiation on Mars. These instruments can detect different types of radiation, including solar and cosmic radiation, and provide valuable data for understanding the radiation environment on the Martian surface.

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