Cosmology Terms

123456789
Across
  1. 1. A relatively large body rotating in an elliptical orbit around a sun.
  2. 3. A natural satellite.
  3. 4. A basic building block of the universe that includes stars, star clusters, clouds of gas, dust and interstellar molecules.
  4. 6. Principle component of galaxies.
  5. 8. A small object orbiting a star that has enough gravity to form an almost round shape.
  6. 9. Sum total of everything that exists.
Down
  1. 2. A planet outside our solar system that orbits a star.
  2. 5. Has one or more suns surrounded by orbiting planets.
  3. 6. The star at the centre of our solar system.
  4. 7. A small rocky object that orbits the sun.