Big Bang Theory

1234567891011121314
Across
  1. 2. This change in observed wavelength, or frequency
  2. 4. A completely empty space
  3. 5. the SI base unit of thermodynamic temperature
  4. 6. Atomic Epoch. Begins about 50,000 years after the Big Bang
  5. 9. When an object is moving towards us
  6. 12. A region of spacetime where gravity is so strong that nothing has enough energy to escape it
  7. 13. The indefinite continued progress of existence and events in the past, present, and future regarded as a whole
  8. 14. The universe came into being from a single, unimaginably hot and dense point more than 13 billion years ago
Down
  1. 1. The science of the origin and development of the universe
  2. 2. Composed of particles that do not absorb, reflect, or emit light
  3. 3. The interaction of electric currents or fields and magnetic fields
  4. 7. The Universe underwent a short and sudden episode of great expansion right after the Big Bang
  5. 8. A pair of equal and oppositely charged or magnetized poles separated by a distance
  6. 10. Observed from distant stars and galaxies gives evidence that the universe is expanding
  7. 11. A system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity