Space Exploration Technologies
Physics ⇒ Earth and Space Physics
Space Exploration Technologies starts at 8 and continues till grade 12.
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See sample questions for grade 12
A rocket expels 500 kg of fuel at a velocity of 3,000 m/s. What is the momentum change imparted to the rocket?
A satellite is launched into a circular orbit 700 km above Earth's surface. If Earth's radius is 6,371 km, what is the orbital radius of the satellite?
A spacecraft uses a radioisotope thermoelectric generator (RTG) for power. Explain why this technology is used for missions far from the Sun.
Describe the function of solar panels on a spacecraft.
Describe the main difference between a probe and a rover in space exploration.
Describe the role of ground control stations in space missions.
Explain the importance of redundancy in spacecraft systems.
Explain the purpose of a heat shield in a spacecraft re-entering Earth's atmosphere.
Explain the significance of the Van Allen radiation belts for spacecraft design.
Explain why communication with spacecraft becomes delayed as the distance from Earth increases.
Explain why multi-stage rockets are used for launching payloads into space.
