Across
- 2. the rocket agency of Europe
- 3. ________ orbits pass over Earth’s poles, letting satellites scan the entire planet as Earth rotates
- 6. Rovers often use _________ to maneuver across terrain
- 10. ___________ System - The area of a rocket that holds equipment
- 11. the use of onboard AI or preprogrammed instructions to make decisions
- 14. Ignition of the engines and initial ascent.
- 15. the rocket agency of Russia
- 18. Space probes use deep-space navigation techniques such as ________ assists to increase speed and adjust their paths
- 20. ___________ (MEO) earth orbit is higher up and is commonly used for navigation systems such as GPS
- 21. the rocket agency of India
- 23. a vehicle or device that uses controlled explosions of propellants (fuel and oxidizer) to generate thrust, enabling it to propel itself upwards through the atmosphere.
- 24. ________ lens - Gathers and focuses light
- 26. The fuel used to generate thrust
- 27. Magnifies the image formed by the objective lens
- 28. __________ telescope - Uses lenses to focus light
- 33. Probes and rovers use _____________ energy sources like solar panels or radioisotope thermoelectric generators
- 34. __________ (LEO) earth orbit is close to Earth and is used by satellites that need detailed images or fast communication
- 36. Scientists can use ________ control features to send commands from Earth to a rover if they would like it to perform a specific job
- 38. __________ telescope - Uses both mirrors and lenses
- 41. the rocket agency of China
- 42. __________ (GEO) earth orbit is much farther out and allows satellites to stay fixed over one spot on Earth
- 43. _________ probe - land on the surface of a celestial body and send data
- 45. __________ telescope - Uses radio waves to observe celestial objects.
- 46. A rocket's propellant is often made of fuel and an ___________
- 47. __________ return probe - collect and return samples to Earth
- 48. __________ telescope - Positioned outside Earth’s atmosphere to avoid interference
Down
- 1. A rocket reaches its last stage at payload ____________
- 4. A facility containing multiple kinds of telescopes
- 5. __________ telescope - Uses mirrors to gather and focus light
- 7. Because satellites are in space, ___________ is very difficult to do.
- 8. the rocket agency of Japan
- 9. The force that propels the rocket upwards and forwards
- 12. the rocket agency of the United States
- 13. The eyeglass maker who invented the first telescope
- 16. __________ probe - enter orbit and send data
- 17. a type of robotic vehicle designed to explore the surface of planets, moons, or other celestial bodies.
- 18. ____________ System - Holds navigation systems such as a control panels or GPS systems
- 19. Space _______ - an unmanned spacecraft designed to explore space, gather scientific data, and send it back to Earth.
- 22. an object that orbits around another object in space.
- 25. Space probes often use radio _________ to determine their position and velocity using signals exchanged with Earth
- 29. __________ point - The point where the light converges after it enters the telescope
- 30. A tool that collects and magnifies light to observe distant objects in space
- 31. _________ probe - pass by and send data
- 32. _____________ System - Holds an engine that burns fuel
- 35. ____________ insertion - Reaching the desired orbit or trajectory
- 37. Once it reaches the proper __________ and speed, the rocket performs orbital insertion
- 39. SpaceX, Blue Origin, and Rocket Lab are all examples of ________ rocket agencies
- 40. _____________ probe - travel beyond the solar system and send data
- 42. improved the telescope for astronomical observation.
- 44. As it climbs, the rocket enters stages of ascent. This is where it sheds empty __________ or spent stages to lighten its weight and improve efficiency