Astronomy and Space Exploration

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Across
  1. 2. The scientist who agreed with Copernicus' heliocentric model of the solar system
  2. 5. The organization created in 1958 to oversee US space missions
  3. 6. The model that states the sun is the center of the solar system
  4. 10. Unmanned spacecrafts that are sent to collect data from other objects in space
  5. 11. The scientist who discovered that the planets' orbits were ellipses
  6. 12. An Earth orbiting research lab where astronauts can stay for extended periods of time
Down
  1. 1. The first scientist to come up with the heliocentric model of the solar system
  2. 3. Earth orbiting objects that transmit TV, radio, and cell phones signals and more
  3. 4. The model that states the Earth is the center of the solar system
  4. 7. Vehicles that transport spacecrafts into space
  5. 8. The first mission to put man on the moon
  6. 9. The scientist who discovered and explained the forces of gravity and inertia