Across
- 6. A highly magnetized rotating neutron star / white dwarf that emits a beam of electromagnetic radiation.
- 8. A phenomenon that describes an increase /decrease in the frequency of sound, light, or other waves as the source and observer move toward or away from each other.
- 10. The star system closest to the Solar system.
- 11. Describes how the universe expanded from a very high-density and high-temperature state.
- 14. The galaxy that contains our solar system.
- 15. Disturbances in space-time caused by some of the most violent and energetic processes in the Universe. Predicted by Einstein the in his general theory of relativity.
- 17. A system of stars, stellar remnants, interstellar gas, dust, and dark matter. Bounded gravitationally.
- 19. A form of radio receiver used in astronomy, receiving radio waves emitted by radio sources.
- 20. The person who developed the theory of relativity.
Down
- 1. High-energy radiation, mainly originating outside the Solar System and even from distant galaxies. The effect of it on humans is still unknown.
- 2. How the early cosmic mist was broke by the other galaxies.
- 3. A large radio telescope project and was planned to be built in Australia and South Africa.
- 4. The nearest major galaxy to the Milky Way.
- 5. A vector field that describes the magnetic influence of electrical currents and magnetized materials.
- 7. A form of matter that account for 85% of the matter in the universe.
- 9. The study of how the universe is formed from a homogeneous beginning, and how the first galaxy structure is formed.
- 12. A theoretical framework which considers particles are replaced by one dimensional strings.
- 13. The most abundant material in the universe.
- 16. An electromagnetic radiation with wavelengths in the spectrum longer than infrared light.
- 18. A region of space having a gravitational field so intense that no matter or radiation can escape.