Across
- 5. An object in which we can see distant matter
- 6. When the tide is being influenced by the moon and sun at the same time
- 7. The distance light can travel in a year
- 8. The place in which all matter and space exist
- 9. When a star collapses on itself and explodes
- 14. A part of spacetime where nothing can escape
- 16. The stellar core left behind after a star dies
- 18. The path in which an object moves in space when affected by gravity
- 21. A rotating disk of gas surrounding a newly forming star
- 23. An invention used to create and record spectra for research
- 24. The gravitation force on an object
- 26. A huge cloud of dust occupying the space between stars
Down
- 1. The spectrum of electromagnetic radiation
- 2. A man made object in orbit around the earth
- 3. A graph where absolute magnitudes of stars are graphed
- 4. When two nuclei combine and release energy
- 10. The change in wavelength and frequency depending on the observation point
- 11. The way astronomers believe the universe began
- 12. A unpiloted device that explores the universe
- 13. Tides when the sun and moon are at a right angle to eachother
- 15. A spiral galaxy that holds our solar system
- 17. A system of stars, gas, and dust held together by gravity
- 19. The force that pulls everything together
- 20. The amount of matter in an object
- 22. Illuminated plasma held together by it's own gravity
- 25. Long periods of waves affected by the moons gravitation pull