Across
- 3. A comet that orbits the Sun in less than 200 years.
- 4. A set of paperwork used to keep track of information such as test results and mission developments.
- 6. A graduated range of values forming a standard system for measuring something.
- 10. The title of elected US government officials.
- 12. A solid material of extremely low density, produced by removing the liquid component from a conventional gel.
- 13. The process of working together with a group of people in order to achieve a common goal.
- 15. Small rocky celestial objects orbiting the Sun. These are also known as space rocks.
- 17. The title of the person who is in charge of the astronauts in a spacecraft.
- 18. How bright a nights sky object appears to the human eye from Earth; we use a numerical scale to measure this brightness.
- 20. A substance that is not a liquid or a solid has no size or shape of its own but can fill an entire space.
- 21. stands for National Aeronautics and Space Adminstration. It is in charge of U.S. science and technology that has to do with airplanes or space.
- 24. The process of determining the location of two points.
- 25. A celestial object made up of ice rock and gas that orbits the Sun.
- 26. A meeting place where detailed information or instructions are given, especially before people do something together as a team.
- 28. The time taken for a given object to make one whole orbit or go completely around another object.
- 29. Imitation of a situation or process; the action of pretending.
- 30. The action of rotating around an axis or center.
Down
- 1. The title of the person who is in chargeof the astronauts in Mission Control.
- 2. A meeting time or place scheduled for two objects or people to meet.
- 5. A comet that takes longer than 200 years to make one trip around the Sun.
- 7. Large rocky celestial objects in orbit around the Sun.
- 8. When anything solid turns into a gas without first becoming a liquid.
- 9. A step-by-step set of written instructions for performing job or task.
- 11. The compactness of an object.
- 14. A group of stars that form a picture or a shape.
- 16. To move in a circle or orbit around.
- 19. A number value for the shape of an object's orbit. Numbers range from 0-1.
- 22. A star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.
- 23. The joining with a space station or another spacecraft in space.
- 27. The seven colors that make up white light.