Radiation in Space
Physics ⇒ Earth and Space Physics
Radiation in Space starts at 9 and continues till grade 12.
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See sample questions for grade 11
A satellite in low Earth orbit is exposed to more radiation than one on the ground. Explain why.
A spacecraft is traveling to Mars. What are two main types of radiation hazards it will face during the journey?
Calculate the energy of a photon of ultraviolet light with a frequency of 8.0 × 1015 Hz. (Planck's constant h = 6.63 × 10-34 J·s)
Calculate the wavelength of X-rays with a frequency of 3.0 × 1018 Hz. (Speed of light c = 3.00 × 108 m/s)
Describe one method used to protect spacecraft electronics from space radiation.
Describe the difference between ionizing and non-ionizing radiation in the context of space.
Describe the role of the International Space Station's shielding in protecting astronauts from radiation.
Explain why astronauts need to wear protective suits when performing spacewalks.
Explain why gamma rays from distant galaxies are difficult to detect on Earth's surface.
Explain why radio telescopes are often located in remote areas on Earth.
