Across
- 4. The temperature of the universe right after the big bang in trillions degrees celsius.
- 5. The brightest and most studied quasar in the constellation of Virgo.
- 7. The theory that the universe originated in a huge explosion that released all matter and energy.
- 8. Most quasars will be observed to have an additional of this term that is related to the thickness and density of the shell around it.
- 9. Word describing a quasar.
- 12. The distance between the Sun and the Earth. Used to measure distances in the solar system.
- 13. Belgian Astronomer who created the big bang theory.
Down
- 1. A point in which matter is infinitely dense, as in the center of the universe at the very beginning.
- 2. Temperature and density of a specific element. Another method to locate quasars.
- 3. The expanding of the universe from a single point.
- 4. When the big bang happened and the universe began. (Express in billions of years.
- 6. An unknown substance and a type of matter that does not emit light. Scientists and astronomers hypothesized this was made from WIMPs.
- 7. A cosmological model that indicates that our Universe expanded from a specific moment of creation.
- 8. Astronomers can determine the location of quasars using this.
- 10. Astronomical phenomenon that exist in the center of active galaxies. and are considered the most powerful.
- 11. What quasars are emitting.