Solar System

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Across
  1. 2. A hazy band of light seen in the night sky formed from stars (... Way)
  2. 3. Cosmology studies the origin and evolution of
  3. 5. It is the third planet from the Sun and the only astronomical object known to harbor life.
  4. 8. It is all of space and time and their contents, including planets, stars, galaxies
  5. 10. It is a hypothetical spherical cloud of up to a trillion icy objects. (... cloud)
Down
  1. 1. It is a stellar-wind bubble, a region of space dominated by the Sun
  2. 4. It is an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
  3. 6. The ... belt is a torus-shaped region in the Solar System
  4. 7. The dwarf planet, the largest known object in the Kuiper belt.
  5. 9. The center of the Solar System