In this lesson about cosmic rays, students will describe why cosmic rays are dangerous to astronauts. Includes information about student preconceptions. This is activity 3 of 4 from The Cosmic Ray Telescope for the Effects of Radiation (CRaTER).

Learners will use the results of previous lessons in this guide to write a scientific proposal to explore another planet or moon in our solar system for signs of life. This proposal should predict the types of energy and nutrients available to... (View More) sustain life and describe equipment and instruments necessary for exploration and characterization of the target environment. This is activity 4, the capstone activity, in Exploring Deep-Subsurface Life. Earth Analogues for Possible Life on Mars: Lessons and Activities. (View Less)