Space · Topic 95 of 119
Cosmic Rays
⭐ MasteredCosmic rays are high-energy particles that travel through space at very high speeds. Most come from outside our solar system, and Earth's atmosphere protects us from most of them.
💡 Fun fact
Astronauts on the International Space Station are exposed to more cosmic rays than people on the ground.
All about Cosmic Rays
Cosmic rays are high-energy particles that travel through space at very high speeds. Most come from outside our Solar System, and some come from exploding stars. Earth's atmosphere and magnetic field protect us from most of them.
Astronauts on the International Space Station are exposed to more cosmic rays than people on the ground. Scientists study cosmic rays to learn more about the universe and to protect space travellers.
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