Across
- 2. a thermodynamic quantity representing the availability of a system's thermal energy for conversion into mechanical work
- 5. matter in galaxies clusters and possibly between clusters that can not be observed directly
- 7. a mathematical model that combines the three dimensions of space and one dimension of time into a single four-dimensional manifold
- 8. the singularity at the beginning of the universe
- 14. everything including all of space and all the matter and energy that space contains
- 18. 299 792 458 meters per second
- 19. distance divided by speed
- 20. the ____________ principle states that we cannot know both the position and speed of a particle
- 23. an increase (or decrease) in the frequency of sound light or other waves as the source and observer move toward (or away from) each other
- 25. a point at which a function takes an infinite value
- 26. a region of spacetime where gravity is so strong that nothing – no particles or even electromagnetic radiation such as light – can escape from it
- 27. a (charged) elementary particle that feels the strong force
- 28. the distance traveled by light in one year
- 30. the man who advised the theory of realty and formed the equation E = mc2
Down
- 1. an idea that instead of being an invisible force that attracts objects to one another gravity is a curving or warping of space
- 3. the indefinite continued progress of existence and events in the past present and future regarded as a whole
- 4. limit the maximum possible mass of a stable cold star above which it must collapse into a black hole
- 6. a logician mathematician and philosopher who was known for the incompleteness theorem
- 9. a Greek philosopher and polymath who believed that everything was made of matter shape substance and structure
- 10. the rate at which the speed of an object is changing
- 11. all theories are _________
- 12. zero the lowest possible temperature
- 13. the disease Stephen Hawking had was commonly known as
- 15. the singularity at the end of the universe
- 16. the quality of having unlimited or very great power
- 17. an Italian astronomer physicist and engineer sometimes described as a polymath who helped design telescopes with increasingly higher magnifying power
- 21. the study of the universe as a whole
- 22. an English theoretical physicist and cosmologist who studied mostly black holes
- 24. the number of years Stephen Hawking had a life threatening disease
- 29. accelerator a machine that using electromagnets can accelerate moving charged particles giving them more energy