Science lab

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Across
  1. 5. consists of the Sun and everything that orbits, or travels around, the Sun.
  2. 7. is galaxy a type of galaxy with an oval shape.
  3. 9. any massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources.
  4. 10. is a galaxy with arms and a Milky Wayter
Down
  1. 1. a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.
  2. 2. the new born baby of stars
  3. 3. the colossal explosion of a star.
  4. 4. dwarf is a star once it has run out of energy nad its center collapsed
  5. 6. way is a galaxy that we live in and it is a spiral galaxy
  6. 8. is a galaxy with no certain shape