Across
- 3. This series of missions put Americans on the moon between 1969 and 1972.
- 4. This element builds up as the “ash” in the core of stars as a result of fusion.
- 10. The official name was the “Space Transport System,” but everyone just called it by this slang name.
- 11. A french word for “meet at an arranged time and place,” also used for when two spacecraft meet in orbit.
- 12. Each step or part in a spacecraft is described using this term.
- 15. Our first nuclear powered rover on the surface of Mars.
- 17. This term describes a star before it undergoes fusion.
- 18. The first man-made object in orbit was this Russian satellite, launched in 1957.
- 19. This cloud of gas a dust is the precursor to all stars.
- 21. To make a stable liquid, this element is cooled to -183 degrees Celsius.
- 23. This explosion is the result of the death of the largest stars.
- 25. This color dwarf star is a the most common kind of stellar remnant.
- 32. This metal is the heaviest element that can be made during fusion inside stars.
- 33. This property describes the brightness of the star.
- 34. This initialism is used for the orbits of the lowest altitude craft around the earth.
- 35. The first person in space was this Russian cosmonaut and former fighter pilot.
- 36. This mission put the first rover on the surface of Mars in 1997.
- 38. This color dwarf star doesn’t have enough mass to ignite fusion.
- 39. This kind of nebula is the result of a red giant shedding its outer layers.
Down
- 1. This is the name for a rocket that helps the first stage of a rocket’s flight.
- 2. This kind of star is made out of neutrally charged degenerate matter.
- 5. Named after the Roman god of the sun, this capsule put the first Americans into space.
- 6. This element along with Oxygen is key to a liquid fueled rocket’s flight.
- 7. This color star includes the hottest known stars, in the O, B, and A classes.
- 8. This nuclear process creates light in the core of stars.
- 9. This spacetime warping object is the remnant left behind by the largest stars.
- 13. These astronauts traveled to space in pairs to practice techniques needed for Apollo.
- 14. The earliest rockets, along with modern fireworks, use this kind of fuel.
- 16. This color dwarf star includes our own sun, Sol.
- 20. This acronym is used when you get out of your spacecraft and walk (or float) around.
- 22. This color dwarf star is both the most common and smallest mass of all star types.
- 24. This term is used for an elliptical path around a body in space.
- 26. This property can be determined from the color of light emitted by the star.
- 27. This center strip of the Hertzsprung-Russell Diagram contains stairs during their “adulthood.”
- 28. This pair of missions took the “Grand Tour” of the outer planets of our Solar System.
- 29. These 1970’s landers gave us the first pictures from the Martian surface.
- 30. If your flight doesn’t quite get to a full orbit, you’d describe it with this word.
- 31. A generic term for a spacecraft, often including “liquid fuel” or “solid fuel.”
- 37. This element is the fuel for fusion during the main sequence portion of a star’s life.