ScienceDaily: Cosmic Rays News |
- First radiation measurements from the surface of Mars
- NASA Curiosity: First Mars age measurement and human exploration help
- Unique model simulates electron environment in space at 36000 km above the Earth
| First radiation measurements from the surface of Mars Posted: 09 Dec 2013 03:11 PM PST In the first 300 days of the Mars Science Laboratory's surface mission, the Curiosity rover cruised around the planet's Gale Crater, collecting soil samples and investigating rock structures while the onboard Radiation Assessment Detector made detailed measurements of the radiation environment on the surface of Mars. The radiation on Mars is much harsher than on Earth for two reasons: Mars lacks a global magnetic field and the Martian atmosphere is much thinner than Earth's, providing little shielding to the surface. |
| NASA Curiosity: First Mars age measurement and human exploration help Posted: 09 Dec 2013 10:48 AM PST NASA's Curiosity rover is providing vital insight about Mars' past and current environments that will aid plans for future robotic and human missions. In a little more than a year on the Red Planet, the mobile Mars Science Laboratory has determined the age of a Martian rock, found evidence the planet could have sustained microbial life, taken the first readings of radiation on the surface, and shown how natural erosion could reveal the building blocks of life. |
| Unique model simulates electron environment in space at 36000 km above the Earth Posted: 09 Dec 2013 05:55 AM PST A spacecraft at near-Earth orbit is continuously bombarded by charged particles. Scientists have now developed a unique model that simulates electron environment in the near-Earth space. |
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